語法精講
一、過去完成時(shí)的構(gòu)成
過去完成時(shí)的構(gòu)成:had done
過去完成時(shí)的被動(dòng)式:had been done
?She had learned Chinese before she came to China.她來中國前已經(jīng)學(xué)過中文了。
?I found the lecture hard to follow because it had started when I arrived.我發(fā)現(xiàn)這場講座很難聽懂,因?yàn)槲业降臅r(shí)候講座已經(jīng)開始了。
?In the 1950s in the USA, most families had just one phone at home, and wireless phones hadn't been invented yet. 20世紀(jì)50年代,在美國大多數(shù)家庭里只有一部電話,那時(shí)無繩電話還沒有被發(fā)明。
?How many buildings had been destroyed when the earthquake ended?地震結(jié)束時(shí)有多少建筑物被摧毀了?
二、過去完成時(shí)的用法
1.表示在過去某一時(shí)間或動(dòng)作之前已經(jīng)完成或結(jié)束的動(dòng)作。
?The student completed this experiment to make come true what Professor Joseph had said.為了使約瑟夫教授所說的成為現(xiàn)實(shí),這個(gè)學(xué)生完成了這個(gè)實(shí)驗(yàn)。
?A few months after he had arrived in China, Mr. Smith fell in love with the people and culture there.史密斯先生在來到中國幾個(gè)月之后,就愛上了那里的人和文化。
?By nine o'clock last night, we had finished most of the work.到昨晚9點(diǎn)鐘,我們已經(jīng)完成了大部分的工作。
?She had learnt about 500 English words before she went to junior middle school.在上初中之前,她已經(jīng)學(xué)了大約500個(gè)英語單詞。
[即學(xué)即練1] 單句語法填空
①One morning she told her children about a family she ________ (visit) the day before.
②By about 6000 BC, people ________ (discover) the best crops to grow and animals to raise.
③We found that the least wellliked teens ________ (become) more aggressive over time toward their classmates.
④I was sent to the village last month to see how the development plan ________ (carry) out in the past two years.