【正文】 經(jīng)典例句】Only then can you figure out what you can afford to buy.（2）下列動詞（短語）常跟“疑問詞+不定式”作賓語：decide，know，consider，learn，show，understand，wonder，find out，explain，tell等。I advise you to be cautious. 我勸你要小心謹慎。I have something important to tell you.（被動關系））我有重要的事情告訴你。（2）作原因狀語She seemed surprised to see ，似乎有點驚訝。【答案】1. This is the reason why our parents always encourage us to read more book.2. Scientists and politicians urge us to act.3. We have the ability to respond or the ability to take action.即學即練 一、單項選擇1. I’m looking for a house which is big enough ________ all the children.A. to hold B. to have held C. to be held D. to holding2. William Shakespeare is generally believed ______ all plays himself.A. to write B. to have written C. writing D. writing3. Robert, who claimed ______ Beijing, actually knew nothing about it.A. to visit B. having visited C. to have visited D. visiting4. When the boss entered the room, the workers were pretending hard at their machines.A. to work B. to be working C. to have worked D. working5. The engineer is reported the longest bridge of the country.A. having designed B. have designed C. to have designed D. to design6. AIDS is said _______ the biggest health challenge to both men and women in that area in the past three years.A. that it is B. to be C. that it has been D. to have been7. I don’t know whether you happen _________, but I’m going to study in the . this September.A. to be heard B. to be hearing C. to hear D. to have heard8. Confucius is said in various government jobs in his early 20s, such as a bookkeeper and a caretaker of sheep and horses.A. to work B. having worked C. working D. to have worked9. I would love _____ to the party last night but I had to work extra hours to finish a report.A. to go B. to have gone C. going D. having gone10. The boy pretended _____ a magazine when the teacher came in.A. to read B. to have read C. to be reading D. reading二、完成句子1. George returned after the war, only ________(tell) that his wife had left him.2. Heavy rain struck Guangzhou in May, ________(cause) people traffic problems.3. We mustn’t pretend __________________(know) what we don’t know.4. She pretended __________________(read) a novel when I came into the room.5. The boy pretended __________________(finish) his homework.知識拓展 知識點一：不定式的語態(tài)主動語態(tài)被動語態(tài)一般式to writeto be written進行式to be writing完成式to have writtento have been written知識點二：不定式的否定結構不定式的否定結構通常由not加不定式構成，如：He decided not to do it. 他決定不做那件事。They are said to__________ __________ __________in that area.，冷血動物沒有別的選擇只好躺下睡覺。故選A。claim to have done：聲稱做過某事，to have done是不定式的完成式形式，表達動作發(fā)生在謂語動詞之前，故選C項。“設計了全國最長的橋梁”發(fā)生在“據(jù)報道”之前，用不定式的完成時，故選C。8.【答案】D【解析】考查固定結構和動詞不定式的時態(tài)，句意：據(jù)說，孔子在20歲出頭的時候就做過各種各樣的政府工作，比如簿記員和看守羊群的管理者。故選C。句意：我們一定不要不懂裝懂。表示“假裝已經(jīng)做完某事”應翻譯為pretend to have done sth.，have done表示動作先于謂語動詞，故填to have finished。由句意可知，此處表示“被允許進入一所重點大學”，故用動詞不定式的被動式。故填to provide。故填to return。故填to be built。故在live之前加to。句意：明天會議要討論的問題與我們的日常生活有關。故填To support。又因improve與被修飾的不定代詞構成邏輯上的動賓關系，故用不定式的被動式。attempt to do sth.：嘗試做某事。當作者搬家后，作者的新學校不太重視體育運動。pay attention to即重視，該短語是固定短語，所以填to。句意：為了幫助自己重新恢復體形，我決定從事一種運動。句意：我發(fā)現(xiàn)在游泳池里游泳很放松。維權 聲明18