英語語法：現(xiàn)在完成時表示從過去某一時間到說話時這一過程中動作發(fā)生次數(shù)的總和

1、.英語語法：如今完成時，表示從過去某一時間到說話時這一過程中動作發(fā)生次數(shù)的總和1. 動詞形式behavedo動詞形式have beenhas beenhave hadhas hadhave workedhas worked2.如今完成時的用3表示從過去某一時間到說話時這一過程中動作發(fā)生次數(shù)的總和，常同頻度副詞always,often, seldom, never等連用。比方：We have built many overpasses in the city in the past three years.在過去三年

2、中我們在這個城市里造了許多立交橋。I have read about twenty pages this morning.今天上午我已經(jīng)讀了近20頁。 They have done it a lot of work since they came here.自從他們到這兒以來，他們做了大量工作。I have seen movie twice.我已經(jīng)看過這部電影兩次了。My sister has taken English test three times.我姐姐已經(jīng)參加英語考試三次了。I hav

3、e been to the Great Wall twice.我曾經(jīng)去過長城兩次。He has done a lot of work in the past two years.在過去兩年中他做了許多工作。 I have learned about two hundred English words this morning.本月我學(xué)了大約200個英語單詞。 It has rained every day this week.這個星期天天下雨。 She has always&

4、#160;walked to school.她一直步行去學(xué)校。 I have never seen such a beautiful bird.我從沒見過這么美麗的鳥。 I have often met the old man on my way to work.我在上班的路上常常遇見那位老人。一、選擇填空。37. They were discussing the rules of the competition. They _ the prize winner air fare to

5、 and from Tokyo.A.offer             B.will offerC.are offering  D. were going to offer38 . How is the food?     Not very good. But we _ off everything.A.finished  B. have finishedC.finish     D. had f

6、inished參考答案:1-2:DB二、分析句子的語法構(gòu)造，并譯成中文。1.They were discussing the rules of thecompetition. They were going to offer the prize winner air fare to and fromTokyo.2. Summer weather patterns are increasingly likely to stall in Europe, North America and parts of Asia, according to a new climate study that explains