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1、present(now)futurepast 现在完成时现在完成时( present perfect tense)do my homework 实义动词分为: 1) 瞬间动词 2)延续动词 瞬间动词瞬间动词joinbegin/startborrowfinish/endarrive/comeleavediebuy注意注意: 瞬间动词不能和瞬间动词不能和时间段时间段连用连用. method 1: 动作动作状态状态die be over leaveborrow/buy arrive begin end/finish join marrykeep/had be away be here be on(上
2、演） be married be in be dead1.他的爷爷已经去世2年了。 2. Nick 参军3年了.3. 他离开深圳好长时间了。4. 这本书我已借了4个月了. His grandpa has been dead for 2 years. Nick has been in the army for 3 years. He has been away from Shenzhen for a long time. I have had/kept the book for 4 months. method 2: It is + 时间段 since +一般过去时的句子.1.他的爷爷已经去世2
3、年了。 2. Nick 参军3年了.3. 他离开深圳好长时间了。4. 这本书我已借了4个月了. It is 2 years since his grandpa died. It is 3 years since Nick joined the army. It is a long time since he left Shenzhen. It is 4 months since I borrowed the book . 1.The English professor arrived here about a week ago The English professor _ _ here fo
4、r about a week .2.Her husband started to work on the farm three hours ago . Her husband _ _ on the farm for three hours .3.The French musician came to China last month , and he is still here . The French musician _ _ _ China for a month .4.He joined the army in 1985 . He _ _ _ the army _ 1985 .5.He
5、joined the League half a year ago . He has been a League _ _ half a year . 改写句子，使原句的意思不变，每空一词。has beenhas workedhas been in has been in sincemember for 6.The bus left five minutes ago . The bus _ already _ _ for five minutes .7.The girl bought a new school bag in September . The girl _ _ the school
6、bag since September .8. The shop closed last winter . The shop _ _ _ since last winter .9. The film began ten minutes ago . The film _ _ _ for ten minutes .10. The dog died two days ago . The dog _ _ _ for two days . 11. The meeting ended last month . The meeting _ _ _ for a month . has been away has hadhas been closed has been on has been deadhas been over