❶～になる
✓POINT
A が成長して・時間がたって・ある理由で B になること.
become a cook
♔基本become a cook
コックになる
⦣ become＋名詞.
become a man [a woman]
become a man [a woman]
大人になる
Tadpoles become frogs.
Tadpoles become frogs.
オタマジャクシはカエルになる.
become rich
♔基本become rich
金持ちになる
⦣ become＋形容詞.
become angry
become angry
怒おこり出す
become tired
become tired
疲つかれる
The days become shorter in winter.
The days become shorter in winter.
冬になると日が短くなる.
When he becomes a college student, he will look for a part-time job.
When he becomes a college student, he will look for a part-time job.
大学生になったら, 彼はバイトを探すでしょう.
He became a doctor.
He became a doctor.
彼は医者になった.
It has become much warmer.
It has become much warmer.
ずっと暖かくなった.
⦣ It は漠然ばくぜんと「気温」を表す. 現在完了かんりょうの文. have助動❶
It is becoming warmer and warmer.
It is becoming warmer and warmer.
だんだん暖かくなってきている.
⦣ 現在進行形の文. is助動❶
