连接时间状语从句的连接词有:when, before, after, while, as soon as, until, since... 这里要注意一点的是,如果主句是一般将来时,从句只能用一般现在时表示将来意义。 由when,while引导的时间状语从句。 例如: Strike while the iron is hot.趁热打铁。 When you th...
go + 过去分词: He went almost mad when he heard the news. Ex. 1. C 现在分词短语,在句中作伴随状语: 1. waiting for the bus. 2. reading newspaper. 3. watching the girl students playing basketball. 1– 5 BCBBC should/ ought to have done sth: 1 – 4 DAA...
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