become多指身份、職位等的變化,它強(qiáng)調(diào)變化的過(guò)程已經(jīng)完成,后面可接名詞或形容詞.例：
He becomes a teacher.他成了一名老師.
Her mother became angry when she heard the news.
她媽媽聽(tīng)到這個(gè)消息時(shí)非常生氣.
get多用于口語(yǔ),表示一種變化過(guò)程,強(qiáng)調(diào)的是“漸漸變得”,后常接形容詞的比較級(jí)形式.
It’s getting darker and darker outside.戶外天色越來(lái)越暗.
In winter the days get shorter.冬季白天變得較短.
turn指在顏色和性質(zhì)等方面與以前的完全不同,強(qiáng)調(diào)變化的結(jié)果.
Leaves turned brown in the mountains.山里的樹(shù)葉已變成了棕色.
The milk has turned bad.牛奶變質(zhì)了.