The Polite Volitional ～ましょう: How to Say "Let's" in Japanese
The polite volitional ～ましょう expresses the speaker's volition in polite Japanese. It is most often translated as "let's [verb]" for an inclusive suggestion.1 If you can already build the masu-form, you can produce ～ましょう in one step. You can also extend it into the offer and invitation readings common in real conversation.
Overview
What ～ましょう is
～ましょう is the polite form of 意向形 (ikōkei), the volitional category in Japanese grammar.2 Its core meaning is the speaker's volition. In English, it is most often glossed as "let's [verb]" for an inclusive suggestion.13
It is built on the masu-stem: take the ます form, drop ます, and add ましょう.13 Its register is polite. It is the polite-form counterpart of the plain volitional ～よう/～おう.42
一緒に学校に行きましょう。5
"Let's go to school together."
Where it sits in the polite/plain map
The plain volitional ～よう/～おう and the polite ～ましょう share the same core meaning. They differ only in register.42 Tofugu states the relationship directly: "〜よう is the plain volitional form, so its uses will be more casual. If you want to be polite, you'll need to opt for the 〜ましょう polite volitional form."4
Polite-register contexts (classrooms, customer-facing situations, first meetings) default to ましょう because the surrounding predicates are already in ます-form.6
The three discourse functions you will see
This article explains three readings in turn. Bare ～ましょう is an inclusive suggestion ("let's").13 ～ましょうか with a one-actor reading is an offer ("shall I?").78 ～ましょうか with a joint-action reading, often paired with WH-words such as "what" or "how," is an invitation ("shall we?").56
How to form ～ましょう
The formula: masu-stem + ましょう
Bunpro states the rule plainly: "Verb [stem] + ましょう. Simply change ます to ましょう when conjugating."1 Punipuni Japan gives the same instruction in slightly different words: take off the ます and add ましょう.3
Because the stem is already set in the masu-form, ましょう attaches the same way to ichidan, godan, and irregular verbs.13 If you can already form the polite present, the polite volitional is a one-token swap.
Conjugation table by verb group
| Group | Dictionary | Masu-form | Polite volitional | Gloss |
|---|---|---|---|---|
| 一段 (ichidan) | 食べる | 食べます | 食べましょう | "let's eat" |
| 一段 (ichidan) | 見る | 見ます | 見ましょう | "let's watch" |
| 五段 (godan, く) | 行く | 行きます | 行きましょう | "let's go" |
| 五段 (godan, む) | 飲む | 飲みます | 飲みましょう | "let's drink" |
| 五段 (godan, す) | 話す | 話します | 話しましょう | "let's talk" |
| irregular | する | します | しましょう | "let's do it" |
| irregular | 来る (くる) | 来ます (きます) | 来ましょう (きましょう) | "let's come" |
Sources: Bunpro examples and conjugation rule,1 Punipuni Japan formation rule,3 JLPTsensei conjugation chart.2
A few short examples drawn from across the groups:
サッカーをしましょう。1
"Let's play soccer."
ごはんを食べましょう。1
"Let's eat."
バスで行きましょう。1
"Let's go by bus."
Negative and past forms exist but are rare
～ましょう has no regular one-suffix negative form. The inclusive "let's not" is rendered with ～ないようにしましょう ("let's [verb], so as not to ...") or with ～やめましょう ("let's stop [verb-ing]"). It is not formed with a single morphological negative.6 A form such as ましょなかった is not attested in the cited references.
～ましょう has no past form either; the volitional is intrinsically non-past, signalling intent or proposal.2
A surface string such as ましょうとした reads as volitional + と + する ("was about to [verb]" / "tried to [verb]"). It is not a past tense of ましょう.4 Treat it as a stated-intention construction you will meet later, not a missing slot in the ましょう paradigm.
Use 1: Inclusive suggestion "let's"
What it does
～ましょう invites the listener to do an action together with the speaker. The speaker is part of the group acting.13 Bunpro frames the meaning bluntly: "'Let's' ... a polite volitional form used to suggest doing something together or express determination to accomplish something."1 Punipuni Japan: "〜ましょう (~mashou) means let's and is used to make a proposal."3
Canonical examples
このレストランで寿司を食べましょう。1
"Let's eat sushi at this restaurant."
レストランで会いましょう。3
"Let's meet at the restaurant."
海へ行きましょう。3
"Let's go to the ocean."
コーヒーを飲みましょう。9
"Let's drink coffee."
家に帰りましょう。9
"Let's go home."
一緒に + ましょう
The inclusive reading is often reinforced by 一緒に ("together"). This combination is the textbook inclusive-suggestion pattern in Genki Lesson 5 materials.510
一緒に学校に行きましょう。5
"Let's go to school together."
Where this turns up in real life
Classroom directions are the most common setting. Maggie Sensei lists ここに名前を書きましょう as a textbook example of a teacher directing group action.6 Workplace meetings and group activities use the same default. Minna no Nihongo Lesson 6 frames ましょう as the speaker "positively inviting the listener to do something with the speaker."11
The canonical positive response to a ましょう or ましょうか proposal is そうしましょう ("yes, let's do that").5
ここに名前を書きましょう。6
"Let's write our names here."
Use 2: ましょうか as an offer "shall I?"
What it does
Adding the question particle か turns ましょう into a question. When only the speaker can perform the action and it benefits the listener, the reading is "shall I [verb]?"78 jplt-dialogplus describes ましょうか as a proposal "where the speaker takes initiative ... phrased positively and assumes collaboration is already happening."8 Coto Academy positions the offer reading as "a way to offer a favor" or to "offer assistance to the listener in Japanese."7
Canonical examples
手伝いましょうか？7
"Shall I help?"
私、今日は時間があるので、手伝いましょうか？7
"I have some time today, so shall I help you?"
荷物を持ちましょうか。8
"Shall I carry your bag?"
Why this is the customer-service workhorse
Shop staff, hotel reception, and other service settings default to ましょうか for offers. The form is polite, action-ready, and presupposes that the speaker is the agent.86 Maggie Sensei pairs ましょうか with offer scenarios such as 手伝いましょうか used by helpful coworkers and family members.6
The same ましょうか string can carry the offer reading ("shall I?") or the invitation reading covered in the next section ("shall we?"). Sentence-final intonation tells them apart. Learners who only meet the written form often miss the cue entirely.12
The intonation cue
gokigen blog gives the explicit pair: a rising tone signals the invitation reading ("shall we do it?"), while a flat or falling tone signals the offer reading ("shall I do it?").12 This contrast is the clearest learner illustration of the split:
日本語を話しましょうか (rising) 12
"Shall we speak in Japanese?" (invitation, in a lesson context)
日本語を話しましょうか (falling) 12
"Shall I speak Japanese for you?" (offer, to someone who does not speak English)
Use 3: ましょうか as an invitation "shall we?"
What it does
When the action can be done jointly, ましょうか reads as the inclusive question: "shall we [verb]?" The speaker proposes joint action while still inviting input.56 Japanese Pathway frames the form as "polite suggestion or confirmation ('shall we')."5
Canonical examples
あそこで昼ご飯を食べましょうか。5
"Shall we have lunch over there?"
どの映画を観ましょうか？6
"Which movie shall we watch?"
大阪までどうやって行きましょうか。6
"How shall we go to Osaka?"
Why open WH-questions force ましょうか, not ましょう
Maggie Sensei notes that ましょうか "uniquely works for asking preferences/logistics" with WH-words like どの (which) and どうやって (how), where neither bare ましょう nor ませんか fits.6 Genki resources10 and Minna no Nihongo11 confirm that this WH-pairing is taught alongside ましょうか rather than the bare form.
ましょう vs ましょうか: the assertiveness split
Maggie Sensei orders the three forms by assertiveness. ましょう is the most assertive: the speaker decides and announces.6 ましょうか is more subtle, checking the listener's reaction.6 ませんか requires an explicit yes or no.6
A short rule of thumb follows from that ordering. Use ましょう when you are leading the group and expect agreement. Use ましょうか when you are floating the idea and want input.
ましょう / ましょうか vs ませんか: speaker confidence
jplt-dialogplus crystallizes the split: ましょうか "assumes collaboration is already happening"; ませんか "leaves room for the listener to easily say 'No'."8 Coto Academy makes the same point: ませんか is more passive and "leaves the decision entirely in the other person's hands," while ましょうか "comes from 'the speaker's own initiative' and sounds 'more assertive'."13
Genki I Lesson 5 teaches the practical sequence directly: open with ませんか, and once the listener agrees (e.g. いいですね), confirm the plan with ましょうか.10 The ましょうか follow-up reads as natural because the addressee has already shown willingness.
For contrast, the ませんか sibling on the same proposal frame:
一緒に映画を見ませんか。13
"Would you like to watch a movie together?"
～ましょう and the plain volitional ～よう/～おう
Same function, different register
The plain volitional and the polite ましょう carry the same core meaning at different formality levels.4 JLPTsensei lines them up directly: plain 食べる → 食べよう ("let's eat"), polite 食べる → 食べましょう ("let's eat").2 The choice is register, not meaning.
When to reach for which
～ましょう is the default in classrooms, customer-facing situations, first meetings, work email, and any context where ます-form predicates dominate.46 The plain volitional is the default in close-friend conversation, family conversation, and self-resolve. Tofugu cites volitional + と思う as the softened-intention pattern with a plain-form anchor:4
私がカレーを作ろうと思う。4
"I think I'll make the curry."
Why textbook curricula introduce ましょう first
Beginners spend their first months using mostly polite-register material, so curricula introduce the polite volitional before the plain.1410 Genki I introduces ましょう in Chapter 5,1410 and Minna no Nihongo introduces ましょう and ませんか together in Lesson 6.11
Tofugu's plain-volitional treatment is positioned for learners who already know ましょう.4 This is curriculum design, not difficulty.
Good to know
Why ましょう is not a "command"
～ましょう is inclusive: the speaker is part of the acting group.111 That sets it apart from the imperative, or command form (e.g. 食べろ, 行け), which directs the listener alone.
Maggie Sensei classifies ましょう as a direct suggestion but never as a command;6 commands are handled morphologically by separate forms. If the speaker wants to direct rather than invite, ましょう is the wrong tool.
When ましょう sounds bossy
Because ましょう commits the listener, using it for actions only the listener will perform sounds presumptuous. jplt-dialogplus warns that even ましょうか can sound "pushy" because it assumes agreement;8 the same problem is stronger with bare ましょう when the speaker is not part of the action. The repair is to switch to ませんか or to a request form such as ～てください when the speaker is not acting.138
A learner who wants to say "you go" should not reach for あなたが行きましょう; the natural alternative is a request form.
行ってください。13
"Please go."
The set phrase 頑張りましょう
頑張りましょう ("let's do our best") is the polite collective encouragement used in classrooms, sports, work, and team contexts.15 Coto Academy: "頑張りましょう is polite but still motivating, perfect for encouraging others in a respectful way."15 It is one of the highest-frequency ましょう phrases in everyday life, though it is rarely listed in textbook drills.
頑張りましょう。15
"Let's do our best."
Sentence-final particles after ましょう
ましょうね softens the inclusive suggestion by inviting shared understanding. ね seeks agreement from the listener.6 ましょうよ adds friendly insistence. よ contributes assertive emphasis.6 Both stay inside the polite register and pair naturally with the same contexts where bare ましょう appears.
Reading ましょう in writing without rōmaji
The form is written ましょう (4 kana). Modified Hepburn romanizes it as mashō with a macron for the long ō,14 while loose romanizations write mashou from the literal kana. Beginners who search for "masho" without the long vowel often miss results. This is a search-behavior note rather than a grammar claim.
The classroom shortcut: ました vs ましょう
ました and ましょう look similar in kana but have very different functions. ました is the past polite suffix (食べました "ate");10 ましょう is the polite volitional (食べましょう "let's eat").1 Both attach to the same masu-stem. The key difference is the た / しょう ending. The single-kana flip is one of the more common N5 misreads.
A note on rare ましょう past-tense-looking forms
Surface strings such as ましょうとした read as volitional + と + する ("was about to [verb]" / "tried to [verb]"). They are not past forms of ましょう. The plain-form analogue is the more common construction documented by Tofugu's volitional + と思う family,4 and the と + した extension shares the same volitional anchor. Treat this as a pointer to a stated-intention pattern, not a missing tense in the ましょう paradigm.
See also
- The Plain Volitional Form ～よう / ～おう: How to Say "Let's" and "I Will" in Japanese
- ～ようと思う: How to Say "I'm Thinking of Doing X" in Japanese
- The Japanese Imperative Form (命令形): Plain Commands and Prohibitions
- The Masu Form (ます): Polite Present and Future Tense
- Polite vs. Plain Japanese: です/ます vs. だ (丁寧体・普通体)
- The か Particle: Question Marker (and Disjunction)