You will start learning Japanese tenses and aspects. In the previous sections, we didn’t mention them, and generally used future tense. By understanding the usages of tenses and aspects, you will be able to communicate with people more accurately. Here, you will learn both present and future tense.
Plain Forms Express Constant Attributes, Customary Actions and Future Tense
|Table of Contents
The Particle に with Temporal Nouns
Present tense can be further divided, e.g. constant attributes, customary actions, progressive actions, and resultant states. In this lesson, we’d like to focus on the ones expressed by the plain form. Since the plain form can express both present and future tense, you should have a clear picture about its usage.
|暑い日は||水が||たくさん||要る / 要ります|
|As for hot days, we need a lot of water.
*要る is an intransitive verb in Japanese.
Constant attributes are things that won’t change regardless of time. You need a lot of water on hot days, even if it’s in the past or the future. You can express such things by using the plain form. You can consider adjectives and state-of-being as constant attributes, too. Here are some examples.
|人を助けることは賞賛に（値する / 値します）。
Helping people deserves praise.
Cats are cute.
|子供は元気（だ / です）。
Children are lively.
|私は日本人（だ / です）。
You can also express constant attributes in future tense by using the plain form with temporal nouns.
|明日は水がたくさん（要る / 要ります）。
As for tomorrow, [we] will need a lot of water.
|田中さんは||いつも||大きい声で||笑う / 笑います|
|Topic / Subject||Adverb||State||Verb|
|Tanaka-san always laughs with a loud voice.|
Customary actions are actions that you are not doing right now, but are habitual. You can express such actions by using the plain form. This concept is often used with adverbs or temporal nouns such as “いつも: always” and “毎日: everyday.”
|お酒を（飲む / 飲みます）。
[I] drink alcohol.
|佐藤さんはタバコを（吸う / 吸います）。
|毎朝、顔を（洗う / 洗います）。
[I] wash my face every morning.
|よく日本の歌を（歌う / 歌います）。
[I] often sing Japanese songs.
|[私は]||今から||学校に||行く / 行きます|
|[Topic / Subject]||Adverb||Destination||Verb|
|[I] will go to school from now on.|
The plain form of verbs expresses future tense if not describing constant attributes or customary actions. Since we use the same form for different usages, you need to judge which function verbs work based on the context. Here is a comparison.
|毎朝、ごはんを（食べる / 食べます）。
[I] eat a meal every morning.
|今からごはんを（食べる / 食べます）。
[I] will a meal, starting now.
The following example can be interpreted as both a customary and future action. The context will determine the meaning. If you’d like to specify, you need to use adverbs or temporal nouns.
|朝７時にごはんを（食べる / 食べます）。
[I] (will or generally) eat a meal at 7:00am.
The Particle に with Temporal Nouns
As you may have noticed, adverbs and temporal nouns are the keys to determining tense. Since you have already learned adverbs in the previous lesson, we will focus on temporal nouns here. Some learners are confused by the placement of the proper particle.
The particle に expresses specific time, and thus you have to attach に when you use words like the following.
１時: 1 o’clock
１日: 1st (date)
2000年: year 2000
|夜の７時にお客さんが（来る / 来ます）。
[My] guest will come at 7:00pm.
|１５日にアメリカへ（行く / 行きます）。
[I] will go to the US on the 15th.
Don’t be confused. Other particles such as は and が can be used when temporal nouns are a topic or a subject.
As for 11:00pm, [it] is dangerous.
|１５日が私の誕生日（だ / です）。
The 15th is my birthday.
It is not necessarily the case that temporal nouns always indicate specific time. For example, if you have only the word: “明日 tomorrow,” you cannot specify what date it is. In this case, you don’t have to use に. Here is the vocabulary list.
今週: this week
来週: next week
先週: last week
今月: this month
来月: next month
先月: last month
今年: this year
来年: next year
去年: last year
毎日: every day
毎朝: every morning
毎晩: every evening
|毎日、歯を（磨く / 磨きます）。
[I] brush my teeth every day.
|手紙はいつ（届く / 届きますか）？ => 来週（届く / 届きます）よ。
When will the letter arrive? => [It will] arrive next week.
In practice, some native speakers use the particle に with the above words even if it’s not grammatically correct. In addition, there is an expression to emphasize specific time by using the combined particle には (specific time + contrast). This is applicable for the above words and very natural.
|手紙はいつ（届く / 届きますか）？ => 来週には（届く / 届きます）よ。
When will the letter arrive? => (Emphasis) [It will] arrive next week.
Time with Range
If temporal nouns can be specified, but have some ranges, either using the particle に or not is natural. If you’d like to emphasize time, you should use に.
|次の春（に）大学を卒業（する / します）。
[I will] graduate from university next spring.
|趣味は朝（に）散歩をすること（だ / です）。
[My] hobby is walking around during the morning.
- The plain form expresses present tense (constant attribute and customary actions) and future tense.
- Specific time requires the particle に while relative time does not.
- If temporal nouns have a range, either using the particle に or not is natural.
You have learned future tense and some usages of present tense. Since we use the exact same form, you need to judge functions based on the context. Then, what about other usages of present tense? In English, you change the form to express progressive actions like “I’m doing it.” This is what you will learn next.
- Next Lesson: Present Progressive Tense & Resultant States with Te-form
- Previous Lesson: Japanese Word Order
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