人教新课标英语选修十《Unit3 Grammar》课件
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1、Grammar Tense,Unit 3,时态,现在,过去,将来,一般时 完成时 进行时,一般时 完成时 进行时,一般时 完成时 进行时,各种时态结构:,一般现在时: 一般过去时: 一般将来时: 现在完成时: 过去完成时: 现在进行时: 过去进行时: 过去将来时:,do/does,did,will/shall +动词原形,have/has+过去分词,had +过去分词,is/am/are+doing,was/were+doing,would+动词原形,is/am/are,was/were,现在时,1.一般现在时,表示客观事实或真理。结构:主语动词原形(第三人称单数时动词加s)如:,He liv
2、es in Nanjing. You look very hungry now.,He is writing a letter at present. It is raining now. John is doing his assignment right now.,2. 现在进行时,表示现在正在进行或继续的动作,状态。如:,He has just come back. I have already seen it. I have lived here for ten years.,3. 现在完成时, 表示过去的动作对现在有 影响或过去的动作持续到现在。如:,4. 现在完成进行时,表示从过去
3、某时开 始,一直继续到目前的动作。其特点在强调“动作的继续”性质。如:,He is very tired, he has been working hard all day.,过去时,1.一般过去时,表示过去的事情,动作,状态或过去的习惯。如:,Bill was very thin when he was a child. John went to Shanghai yesterday.,2. 过去进行时,表示过去某时正在进行的动作。如:,He was sleeping when I arrived. I was watching TV at eight o”clock last night.
4、,The train had gone before we reached the station. After you had gone, I went to sleep.,3. 过去完成时,表示过去某个动作发生以前的动作。如:,We had been waiting for him an hour when he arrived.,4. 过去完成进行时,表示过去某个动作发生以前的持续的动作。如:,将来时,1. 一般将来时, 表示将来的动作或状态。如:,I will go to the movies tonight. It will be fine tomorrow.,2. 将来进行时,表示
5、将来某时正在进行的动作。如:,When we get there, they will be eating.,By next May he will have lived here for six years. I shall have finished the book when you come next time.,3. 将来完成时,表示将来某点时间或将来某动作之前业已完成的动作。如:,4. 将来完成进行时, 表示将来某点时 间或将来某动作之前业已完成的动作的继续。如:,By June, we shall have been learning English for three year
6、s.,I _ ping-pong quite well, but I havent had time to play since the new year.A. Will play B. have played C. played D. play,Using different tenses to make sentences:,2. As she _the newspaper, Granny _ asleep.A.read; is falling B. was reading; fellC. Was reading; was falling D. read, fell,3. Selectin
7、g a mobile phone for personal use is no easy task, because technology _ so rapidly.A. is changing B. has changed C. will have changed D. Will change,4. Shirley _ a book about China last year but I dont know whether she had finished it.A. has written B. wrote C. had written D. was writing,I. 根据题干中的时间
8、标志词选择时态,1. -_ David and Vicky _ married?-For about three years.A. How long were; being B. How long have; gotC. How long have; been D. How long did; get,时态题策略,II. 根据固定搭配选择时态:,-We _in the lake when suddenly the storm started. are swimming B. were swimming C. swam D. are going to swim,III. 根据主从句时态呼应的原则
9、选择时态:,Eg. We were all surprised when he made it clear that he _ office soon.Leaves B. would leave C. Left D. had left,IV. 根据具体的语言环境选择时态:,Eg. A new cinema _ here. They hope to finish it next month. Will be built B. is built C. Has been built D. is being built,Turn on the television or open a magazine
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