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當(dāng)于: I wonder where to buy a dictionary . 應(yīng)注意的問(wèn)題 應(yīng)注意的問(wèn)題 當(dāng)主句為過(guò)去時(shí)態(tài)時(shí),除了客觀真理,客觀事實(shí),自然規(guī)律不受其影響之外,其他情況下都應(yīng)將從句的時(shí)態(tài)改為相應(yīng)的過(guò)去時(shí)態(tài)。 如: He said he had been a teacher for ten years . 他說(shuō)他做老師已經(jīng)十年了。 從句的語(yǔ)序通常用陳述句語(yǔ)序,只有 what?s wrong , what?s the matter , what?s your trouble這幾句作賓語(yǔ)從句時(shí),其語(yǔ)序不改變。 如: Who knows what?s wrong with him ? 誰(shuí)知道他怎么啦? 1. ——Can you tell me __________ ? ——She is in the puter lab . A. where Linda was B. where is Linda C. where was Linda D. where Linda is (09 北京中考 ) 2. To everyone?s surprise , Alex __________ play chess very well when he was only four . A . might B. should C. would D . could (09上海 中考 ) D D 典型例題 典型例題 3. You __________ jump onto a bus while it is moving . It?s too dangerous . A. may not B. mustn?t C. may D. must (09沈陽(yáng)中考 ) 4. ——Shall I tell John about it ? ——No, you __________ . I told him just now . A . needn?t B. can?t C. mustn?t D. shouldn?t (09杭州中考 ) B A B you please tell us __________ in Shanghai ? ( 09上海中考) A. when will you visit the World Expo B. when you will visit the World Expo C. when the World Expo will you visit D. when the World Expo you will visit ( A ) mustn’t, needn’t, can, could, can’t, may 選用下列情態(tài)動(dòng)詞填空 1. — Must I tell John the news ? — No, you . I?ve told him already . 2. — May I take my pet dog with me into the cinema ? — The rule says no . So you . 3. — David , is that boy your friend ? — It be him . He?s the ta