英语完成时的用法[下学期]新目标

英语完成时的用法[下学期]新目标内容摘要：

eague three years ago. • ( 三年前入团， joined为短暂行为。 ) • 注意： 句子中如有过去时的时间副词（如 yesterday, last week, in 1960）时，不能使用现在完成时，要用过去时。 例如： • （错） Tom has written a letter to his parents last night. • （对） Tom wrote a letter to his parents last night. 结束性动词不能和表示一段时间的时间状语连用 ,但是他可以转换成相应的延续性动词 . buy– catch(get) a cold – borrow— Come/go /bee— put on be+名词 join the army – Join the Party – go to school– Have have a cold keep be wear be a soldier be a Party member be a student 3转换成 be+形容词或副词 die— finish – begin— leave—be away fall sleep – be asleep close – be closed be+介词短语 go to school– be in school join the army – be in the army . We have had the book for three years. . He has had a cold for three days. We bought the book three years ago. He caught a cold three days ago. 一般过去时态和现在完成时态可以构成同意句 be dead be over be on I have kept the boo。