初中英語(yǔ)中Be 動(dòng)詞的用法歸納
be是一個(gè)多功能動(dòng)詞,在初級(jí)英語(yǔ)里可見(jiàn)四種用法:
功能一,系動(dòng)詞be
be為連系動(dòng)詞,中心詞義是"是",句型為"主+系+表"結(jié)構(gòu)。be的形式常用am, is, are(現(xiàn)在式);was, were(過(guò)去式);will/can/may/must be(助動(dòng)詞/情態(tài)動(dòng)詞+原形);have/has/had been(助動(dòng)詞+過(guò)去分詞)等。如:
To help animals is helping people.(一般現(xiàn)在時(shí))
The twins were very busy yesterday.(一般過(guò)去時(shí))
It will be sunny tomorrow.(一般將來(lái)時(shí))