9A Unit3 Grammar （课堂PPT）

1、1 Unit 3 Grammar 22不定式不定式不定式做主语不定式做主语To work hard at every lesson is our duty.=Its our duty to study hard at each lesson.例例1. _ makes me happy to find the key.A. That B. It C. What D. Whether解析：不定式做主语，常用解析：不定式做主语，常用“it”作为形式主语放于句作为形式主语放于句首。首。常见句型有常见句型有It is +adj. +(for/of sb.) +to do sth.3 例例4 The pu

2、rpose of new technology is to make life easier, _ it more difficult.A. not make B. not to make C. not making D. do not make.不定式不定式解析：在解析：在purpose, dreampurpose, dream后常跟不定式，后常跟不定式，the purpose is to/not to do the purpose is to/not to do 句型，故选句型，故选B B 。不定式做表语不定式做表语4不定式不定式解析：解析：有一些动词后可以跟不定式做宾语。有一些动词后可以

3、跟不定式做宾语。agree, decide, hope, prepare, learn, promise, try, want, plan, refuse, remember, forget不定式做宾语不定式做宾语We refuse to go to internet bar.He hopes _ to college.A. to go B. go C. goes D. going 5不定式不定式不定式做宾补不定式做宾补 大多数的动词可接不定式短语做宾补，如大多数的动词可接不定式短语做宾补，如:ask, tell, allow, want, order, warn, remind。一些动词接不

4、带一些动词接不带to的不定式做宾补的不定式做宾补.如：如：let, make, have, see, hear, notice, watch. help既可以跟带既可以跟带to不定式又可跟不带不定式又可跟不带to的不定式做的不定式做宾补宾补例例5: We dont allow students_ the books out.A. taking B. to taken C. take D. to take解析：解析：6不定式不定式不定式做定语不定式做定语例例3: You are the third one _ the room.A. to enter B. entering C. entered

5、 解析：不定式做定语时要后置解析：不定式做定语时要后置注意：注意：I need a pen to write with.(不及物动词要加介词不及物动词要加介词)7不定式不定式不定式作状语不定式作状语例例6：I got up early to catch the bus. He is too young to go to school. I am happy to meet you. Adverbial of purpose Adverbial of result Adverbial of reasonACB8不定式不定式例例9The patient was told _ oily food a

6、fter the operationThe patient was told _ oily food after the operation.A. to eat not B. eating not C. not to eat D. not eatA. to eat not B. eating not C. not to eat D. not eat 解析：解析： 动词不定式的否定形式动词不定式的否定形式 warn/tell sb. not to do sth. not 应放在应放在to之前。之前。不定式的不定式的否定形式否定形式P50 Part A1, A29We can use a wh-

7、word with a to-infinitive after a verb.See the examples on P51 B.10 what when why where who whom whose how - content - time - reason -place - people - people (object) - belong to - ways wh- word111) She hasnt told me what I should do and what I should not do. She hasnt told me _ _ _ and what _ _ _.2

8、)-Have you decided which dress you will take? -Have you decided _ dress _ _ ? what to donot to dowhichto take121. how to solve2. what to do3. when to work4. when to play Finish the exercise on P51.Check your answers.5. how to achieve6. which to do7. who to talk8. where to get13 We can use these verb

9、s before a wh- find out forget hear know learn remember see tell understand word with a to-infinitive. ask decide explain14Millies diaryMr. Friend is really kind and helpful. Many students ask him _ to solve their problems. He always tells them _to do. Most students cant decide when_(work) and when

10、_(play). I also donot know how_(achieve) a balance.I dont know which_(do) first. I wantto know _(和谁谈和谁谈) and _(怎样获得帮助怎样获得帮助).He offered me some advice. They are really_(有价值的有价值的). howwhatto workto playto achieveto dowho to talk tohowto get helpvaluable151. I want to know how I can solve the problem.

11、 I want to know how_2. I cant decide when I should do homework and when I can spend time on hobbies. I cant decide _and _3. Please tell me where we will meet. Please tell me _. 将下列句子变为简单句：将下列句子变为简单句：to solve the problem.when to do homeworkwhen to spend time on hobbies.where to meet.161. I remember w

12、hat to do next. I remember_.2. I asked him who to ask for help. I asked him_. 3. They havent decided who to write to. They havent decided_ _. 将下列句子变为复合句：将下列句子变为复合句：what I should do nextwho I could ask for helpwho they willwrite to17Statements(positive/negative) 陈述句陈述句Questions疑问句疑问句Imperatives祈使句祈使句

13、Exclamations感叹句感叹句18QuestionsStatementsExclamationsImperatives疑问句疑问句祈使句祈使句感叹句感叹句陈述句陈述句191) 陈述句陈述句(Statements)：说明一个事实：说明一个事实或陈述一种看法。例如：或陈述一种看法。例如： Light travels faster than sound. 光比声传播速度快。光比声传播速度快。(说明事实说明事实) The film is not interesting at all. 这部电影一点也不有趣。这部电影一点也不有趣。(说明看法说明看法)202) 疑问句疑问句(Questions):提

14、出问题。有提出问题。有以下四种：以下四种： 一般疑问句一般疑问句(General Questions): Can you finish the work in time? 你能按时完成工作吗？你能按时完成工作吗？a. b. 特殊疑问句特殊疑问句(Wh-Questions): Where do you live?你住哪儿？你住哪儿？21c. 选择疑问句选择疑问句: Do you want tea or coffee? 你是要茶还是要咖啡？你是要茶还是要咖啡？ Which do you prefer, tea or coffee?d. 反意疑问句反意疑问句(Tag-Questions): He d

15、oesnt know her, does he? 他他不认识她，对吗？不认识她，对吗？223) 祈使句祈使句(Imperatives): 提出请求提出请求,建议建议或发出命令。例如：或发出命令。例如： Dont be nervous!别紧张！别紧张！ Come here! 到这儿来到这儿来!4) 感叹句感叹句(Exclamations):表示说话人惊表示说话人惊奇、喜悦、愤怒等情绪。例如奇、喜悦、愤怒等情绪。例如: What good news it is!多好的消息啊！多好的消息啊！ How good the news is! 231) The clever boy can speak En

16、glish well. (改成一般疑问句改成一般疑问句否定句否定句)2) Max felt stressed and angry from time to time last week. (对划线部分提问对划线部分提问)按要求改写下列句子按要求改写下列句子Can the clever boy speak English well?The clever boy can not speak English well. How did Max feel from time to time last week?24 3) Please turn off the lights. (改成否定句改成否定句)

17、 4) We often use yellow stationery when we study for exams.(改成祈使句改成祈使句) Dont turn off the lights, please!Use yellow stationary when you study for exams!255) The room looks very calm and peaceful. (改成感叹句改成感叹句)6) All of my classmates had a wonderful time last night. (改成感叹句改成感叹句)How calm and peaceful the room looks!What a wonderful time all of my classmates had last night!261. What a beautiful today!2. We have a new English teacher this term.3. I did not play for a long time.4.