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這類句子中,有很多是由What或 How引起的。例如: Be quiet , please ! (大家)請安靜。如果道理上通順用 of,不通則用 for。 Kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考慮周到的 ), silly, selfish(自私的 ) 例句 : It was silly of us to believe him. 我們真愚蠢,竟然相信了他。 3) to be +形容詞 Seem, appear, be said, be supposed, be believed, be thought, be known, be reported, hope, wish, desire, want, plan, expect, mean… The book is believed to be uninteresting. 人們認為這本書沒什么意思。此類動詞還有 get, have。 3) 動詞 +疑問詞 + to decide, know, consider fet, learn, remember, show, understand, see, wonder, hear, find out, explain, tell Please show us how to do that. 請演示給我們如何去做。 典型例題 1. You don’t need to describe her. I ___ her several times. A. had met B. have met C. met D. meet 答案 B. 首先本題后句強調對現(xiàn)在的影響,我知道她的模樣,你不用描述。 1) (對 ) Tom has studied Russian for three years. = Tom began to study Russian three years ago, and is still studying it now. 2) (錯 ) Harry has got married for six years. = Harry began to get married six years ago, and is still getting married now. 顯然,第二句不對,它應改為 Harry got married six years ago. 或 Harry has been married for six years. 13. since的四種用法 1) since +過去一個時間點 (如具體的年、月、日期、鐘點、 1980, last month, half past six)。 This is the largest fish I have ever seen. It is / was the first time +thatclause 的句型中,從句要用完成時。這主要用來表示在時間上已確定或安排好的事情。 What are you going to do tomorrow? b. 計劃,安排要發(fā)生的事。 1)動詞 want, hope, wonder, think, intend 等。 When I was a child, I often played football in the street. Whenever the Browns went during their visit, they were given a warm wele. 3)句型: It is time for sb. to do sth 到 …… 時間了 該 …… 了 It is time sb. did sth. 時間已遲了 早該 …… 了 It is time for you to go to bed. 你該睡覺了。 Pride goes before a fall. 驕者必敗。 注意:此用法如果出現(xiàn)在賓語從句中,即使主句是過去時,從句謂語也要用一般現(xiàn)在時。 It is time you went to bed. 你早該睡覺了。 Did you want anything else? I wondered if you could help me. 2)情態(tài)動詞 could, would. Could you lend me your bike? 3. used to / be used to used to + do: 過去常常 表示過去習慣性的動作或狀態(tài),但如今已不存在。 The play is going to be produced next month。 The train leaves at six tomorrow morning. When does the bus star? It stars in ten minutes. 2)倒裝句,表示動作正在進行,如: Here es the bus. = The bus is ing. There goes the bell. = The bell is ringing. 3)在時間或條件句中。 注意:非延續(xù)性動詞的否定形式可以與表示延續(xù)時間的狀語連用。 I have been here since 1989. 2) since +一段時間 + ago I have been here since five months ago. 3) since +從句 Great changes have taken place since you left. Considerable time has elapsed since we have been here. 4) It is +一段時間 + since從句 It is two years since I became a postgraduate studen