In Japanese, the ta-form is one of the main ways to express the past tense in Japanese. This is often the first place where Japanese learners will encounter this form. However, the ta-form can also be used in a number of other situations. For example:
- 健太さん、猫が苦手だったっけ？Transcription: Kenta-san, neko ga nigate datta kke?Translation: Kenta, you don’t like cats, right?confirming information
- 怒った顔Transcription: okotta kaoTranslation: angry facelike an adjective, to describe a noun
In this post, we’ll quickly review how to form the ta-form and the main ways to use it as a past tense, but we’ll mostly focus on these additional uses of the ta-form. Ready to have a look? Let’s dive in!
What is the ta-form in Japanese?
In Japanese, the ta-form is a form of a verb, adjective, or noun that ends in た transcribed ta or sometimes だ transcribed da. In Japanese, this form is called タ形 transcribed takei.
To see all the rules for creating the ta-forms — plain and polite, affirmative and negative — you’ll want to check out our in our post on the Japanese past tense, but here is a quick review of the affirmative forms:
| Word Type | Rule | Example | |
|---|---|---|---|
ru-verb | Replace the ending る transcribed ru with た transcribed ta | 見る Transcription: miru Translation: see | 見た Transcription: mita Translation: saw |
u-verb | Can end in either た transcribed ta or だ transcribed da. The exact suffix depends on the end of the dictionary form... | 待つ Transcription: matsu Translation: wait | 待った Transcription: matta Translation: waited |
遊ぶ Transcription: asobu Translation: play | 遊んだ Transcription: asonda Translation: played | ||
i-adjective | Add かった transcribed katta to the stem | 大きい Transcription: ōkii Translation: is big | 大きかった Transcription: ōkikatta Translation: was big |
na-adjective | Add だった transcribed datta to the dictionary form | 大変だ Transcription: taihen da Translation: is tough | 大変だった Transcription: taihen datta Translation: was tough |
noun | Add だった transcribed datta to the dictionary form | 本だ Transcription: hon da Translation: is a book | 本だった Transcription: hon datta Translation: was a book |
When to use ta-form in Japanese?
The ta-form in Japanese is used to discuss the past tense. However, the ta-form can also be used in a number of other situations, such as:
To make a decisive statement or declare a decision
To declare you’ve discovered, recollected, or reconfirmed something
In counterfactual statements
To describe something or someone’s present state
To make urgent requests
In set phrases
Let’s go through each of these uses one-by-one!
Past tense
The ta-form is used much like the simple past tense in English: to mention a finished action or situation in the past.
- 今日は朝ごはんを食べました。Transcription: Kyō wa asa gohan o tabemashita.Translation: I ate breakfast today.
- 今年の春は桜がきれいだった。Transcription: Kotoshi no haru wa sakura ga kirei datta.Translation: The cherry blossoms were beautiful this spring.
It is also sometimes used like you might use the present perfect (“has happened”) in English.
Within a subordinate clause, the plain ta-form is always used when discussing past actions.
To learn more about this most basic use of the ta-form, check out our post on the past tense in Japanese. For now, though, let’s focus on some of the other uses of this form!
Declaring or asserting that something is now “over”
You can also use the ta-form to declare or assert that some action or situation is now over and done. You can often use the English present perfect (e.g. “has happened”) in these cases, but that won’t always be the most natural translation. For example:
- これで作文終わった！漢字、直してくれる？PhraseTranscription: Kore de sakubun owatta! Kanji, naoshite kureru?Translation: I’ve finished my essay! Could you fix the kanji for me?
- 今わかった。この問題、大変だよね。Transcription: Ima wakatta. Kono mondai, taihen da yo ne.Translation: I understand now. This problem’s really tough!わかった more literally means “became clear,” so think: “It has become clear now!”
You can also use this form at the point when you believe that the outcome is guaranteed, even if the action is not technically over yet.
You can also use this to declare that you’re done doing something, even if you’re stopping in the middle of a task:
Declaring a discovery
You can also use the ta-form to declare something you’ve just discovered or recalled. You might use this:
When you discover or find something:
懐中電灯、そこにあった。Transcription: Kaichūdentō, soko ni atta.Translation: So that’s where the flashlight was!When you remember something you’d forgotten:
あっ、そうだった。友くんはエビ、食べられなかったね。Transcription: A, sō datta. Tomo-kun wa ebi, taberarenakatta ne.Translation: Oh that’s right. Tomo, you can’t eat shrimp!When you’re checking that you’ve remembered something correctly:
健太さん、猫が苦手だったっけ？Transcription: Kenta-san, neko ga nigate datta kke?Translation: Kenta, you don’t like cats, right?
We can use the past tense here as long as the thing we are discovering was already in place, or was something you knew at some past time.
Counterfactual statements
You will often see the ta-form used in counterfactual (“untrue”) statements in Japanese, usually to describe what someone “would have done” or “would not have done.”
Native English speakers sometimes feel uneasy using ta-form in this way, since they’re expecting a word like “would”. In Japanese conditional sentences, though, the fact that ta-form is counterfactual is indicated by context instead. Often, you will often see an and often an expression of regret, like the ones below.
- 〜のにTranscription: no niTranslation: (expression of regret)
- 〜はずだTranscription: hazu daTranslation: it should be the case that...
- けどTranscription: kedoTranslation: but...
Here’s an example:
Want to learn more about forming “if…then” statements in Japanese? Check out our post on Japanese conditional sentences!
Describing the state of objects and people
You can use the ta-forms of certain verbs exactly like an adjective: to modify a noun. In fact, some English adjectives like “pointy” or “angry” do not have Japanese equivalents, because gaps are generally filled by verbs.
Often the verbs you use to do this have descriptive meanings, and their English translations will include “be” or “become.” For example:
| Verb | Example with ta-form + noun |
|---|---|
改まる Transcription: aratamaru Translation: to be formal | これは改まった場面でしか使われない言葉です。 Transcription: Kore wa aratamatta bamen de shika tsukawarenai kotoba desu. Translation: This is a word that is only used in very formal situations. |
怒る Transcription: okoru Translation: to become angry | 娘は怒った顔をして、部屋を飛び出しました。 Transcription: Musume wa okotta kao o shite, heya o tobidashimashita. Translation: My daughter made an angry face and bounded out of the room. |
This pattern is also frequently used to describe what someone is wearing. In this case, you’ll follow this pattern:
Here are a few other verbs you can use this way:
- 着るTranscription: kiruTranslation: to wear on torso
- 履くTranscription: hakuTranslation: to wear below the waist
Urgent Requests
The ta-form can also be used to give a command or make a request. It can help to understand this as the speaker “urging” or “hastening” the described action towards completion. Most instances of this pattern show the same verb used twice in succession:
- おい、どいた、どいた！Transcription: Oi, doita, doita!Translation: Hey, get out of the way!
- さあ、買った、買った！Transcription: Saa, katta, katta!Translation: Come right in and buy!
This use of the ta-form is rather rare and outdated. You’ll mostly find it today in fiction. However, there is one such expression which is used quite regularly in conversation:
Expressions that involve the ta-form
In addition to the above uses of ta-form, there are also various expressions that are built upon it. Let’s take a quick look at some of these.
The advice construction with 方がいい transcribed hō ga ii:
ta-form
方がいいTranscription: hō ga iiTranslation: It’s better to…教科書は図書館から借りるより、自分のを買った方がいいですよ。Transcription: Kyōkasho wa toshokan kara kariru yori, jibun no o desu yo.Translation: It’s better to buy your own textbooks rather than borrow them from the library, you know.The past experience construction with ことがある transcribed koto ga aru:
ta-form
ことがあるTranscription: koto ga aruTranslation: To have the experience of…一回だけ、箱根に行ったことがあります。Transcription: Ikkai dake, Hakone ni .Translation: I've been to Hakone just once.
There are also two longer verb forms that are based on ta-form:
The tari-form, which is the ta-form plus り transcribed ri, is used to list multiple actions.
休みの日は本を読んだり料理をしたりして過ごします。Transcription: Yasumi no hi wa hon o yondari ryōri o shitari shite sugoshimasu.Translation: I spend my days off doing things like reading books and cooking.The tara-form, which is the ta-form plus ら transcribed ra, is used in conditional sentences, in a context where you might use “once,” “if,” or “when,” before a verb in English.
山村さんが来たら始めようと思っています。Transcription: Yamamura-san ga kitara hajimeyō to omotte imasu.Translation: I want to get started once Yamamura arrives.
To sum up
In this post we discussed uses for the ta-form in Japanese. Though this form is primarily used as a past tense, we saw that it is also used…
To assert that something is over
To declare you’ve made a discovery, recalled information, or to reconfirm information
To talk about what “would have been” or “should have been” with counterfactual statements
Like an adjective, to describe the states of objects and people
To making urgent requests
We also took a brief look at using other expressions and grammatical forms built off of ta-form.Thanks for reading! Now it’s time to test your skills with our Japanese ta-form activities. Happy learning!
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