動(dòng)詞不定式2ppt課件-在線瀏覽
2024-12-21 18:13本頁面
【正文】 eacher speaks loudly enough to make himself heard clearly. ? 4) too…to ? A. 否定： ? They are to hard to get along with. ? too early/ anxious/ eager to do. ? 非常想，急于，時(shí)刻準(zhǔn)備 ? You are too ready to find faults with other people. ? I am just too eager to help you. ? C. only, all, but, really, 表示肯定 ? He would be only too glad to be her boyfriend, but he knew he could not match her in family status. ? 3. 條件狀語 ? 用不定式表示條件時(shí)，句子謂語通常含有助動(dòng)詞， will, would, shall, should, must, can, could等 ? You would be stupid not to ask for a raise. ? The father will be proud for his son to win the gold medal. 用作獨(dú)立成分 ? To begin with, to tell the truth, to make a long story short, so to speak, to be brief/ exact/ frank/ honest, to say nothing of/ to say the least 不定式邏輯主語 ? 1. for sb. to do. ? It is important for you to go there in person. ? It is very mon for him to be absent without leave. ? He was very willing for everything else to e. ? For any adhesive to make a really strong bond, the surfaces to be glued must be absolutely clean and free from moisture or grease. ? For you to study English well, a lot of practices are needed. ? 3. of sb. To do ? It is wise of you not to argue with your boss. ? It was very careless of him to make such silly mistakes. ? 注意： ? Of 和 for 使用規(guī)律不同： ? Of 針對的是人 ? For 針對的是事 ? It is important for you to go there in person. ? It is wise of you not to argue with your boss. 不定式的時(shí)態(tài)與語態(tài) ? 不定式的時(shí)態(tài) ? 四種形式 主動(dòng) 被動(dòng) ? 一般式 to write to be written ? 完成式 to have written to have been written ? 進(jìn)行式 to be writing 一般不用 ? 完成進(jìn)行式 to have been writing 一般不用 2. 不定式一般式 ? 不定式一般式 to do ? 1) 與主要謂語所表示的動(dòng)作或狀態(tài)同時(shí)或幾乎同時(shí)發(fā)生； ? I am glad to see you. ? I heard him sing last night. ? 2) 或是在主要謂語動(dòng)作之后發(fā)生： ? We plan to go to the sea this summer. 不定式的完成式 to have done ? 不定式的完成式 to have done ? 不定式的完成式可表示： ? 1) 發(fā)生在謂語之前的動(dòng)作 ? We are happy to have visited so many historic places in Beijing. ? Albert Einstein, the great American scientist, is estimated to have had the incredible intelligence quotient of 200. ? I am very sorry to have bothered you with so many questions on such an occasion. ? The redwood appears ____ some 100 years ago in northern forests around the world. ? A. having to flourish ? B. to flourish ? C. to have flourished ? D. have flourished ? 2) 表示 “非真實(shí)”的過去 ? 用在表示打算、需要、計(jì)劃等動(dòng)詞的過去時(shí)后面，表示過去本打算做但事實(shí)上沒有實(shí)現(xiàn)的動(dòng)作。被動(dòng) ? He wants someone to take photographs. ? He wants photographs to be taken. ? I have three letters to write today. ? I want the letters to be typed at once. ? It is an honor for me to be invited to address the international conference. ? It is necessary for us to be constantly reminded of our shortings. ? It is known that electrical and chemical energy began ___ systematically
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號-1