JLPT N5 Grammar
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To become
Category: Adjectives & Descriptors
The grammar pattern "〜くなる / 〜になる" is used to describe a change of state or a transformation from one state to another. It is often used to express a change in physical or mental condition, or a change in status or position. The pattern can be used with both i-adjectives and na-adjectives, as well as nouns. The nuance of the pattern can vary depending on the context and the words used, but it generally implies a movement or change from one state to another.
| Form | Pattern | Example |
|---|---|---|
| i-adjective | Verb form (く) + なる | 大きくなる |
| na-adjective or noun | Verb form (になる) + なる | 元気になる |
| past tense | Verb form (なった / なりました) | 大きくなった |
春になって、元気なりました。
Haru ni natte, genki narimashita.
I became healthy after the spring.
春になって (after the spring), 元気なりました (became healthy)
たくさん食べて、太くなりました。
Takusan tabete, osoi narimashita.
I became fat after eating a lot.
たくさん食べて (after eating a lot), 太くなりました (became fat)
弟は大きくなって、先生になりたいと言っています。
Ototo wa osoi natte, sensei ni naritai to itte imasu.
My brother has grown up and wants to become a teacher.
大きくなって (has grown up), 先生になりたいと言っています (wants to become a teacher)
彼女は病気になって、弱くなりました。
Kanojo wa byouki ni natte, yowaku narimashita.
She became weak after getting sick.
病気になって (after getting sick), 弱くなりました (became weak)
彼は仕事を始めて、忙しくなりました。
Kare wa shigoto o hajimete, isogashiku narimashita.
He became busy after starting his job.
仕事を始めて (after starting his job), 忙しくなりました (became busy)
The pattern "〜くなる / 〜になる" is used to describe a change of state or a transformation from one state to another. It is often used in situations where the speaker is describing a change in physical or mental condition, or a change in status or position. The pattern can be used with both i-adjectives and na-adjectives, as well as nouns. The nuance of the pattern can vary depending on the context and the words used.
Using になる with i-adjectives is incorrect because i-adjectives drop the い ending to form the く form. For example, "大きくなる" is correct, but "大きいになる" is incorrect.
Using くなる with na-adjectives is incorrect because na-adjectives do not drop the な ending to form the く form. For example, "元気になる" is correct, but "元気くなる" is incorrect.
Forgetting to conjugate なる for past tense can result in incorrect sentences. For example, "大きくなった" is correct, but "大きくなる" is incorrect for past tense.
Pay attention to the context and the words used to determine whether to use くなる or になる. Also, make sure to conjugate なる correctly for past tense.
春になって、______なりました。
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