七八年级动词时态(六种)复习课件-(共38页)

1、Review of Tenses 用“三部曲”复习已学英语时态-我之所见、所学，仅供参考。 同学们，到第八单元，我们已经学习过现在完成时，现在让我们一起回忆已经学过的时态，到现在为至，我们学过的时态有：一般现在时一般过去时现在进行时过去进行时一般将来时现在完成时下面请同学们来完成以下六题：Lets do some exercises about tenses we have learned.1、Look! The boy _ a book. (read)2、 I often _to school.(walk)3、They _ fun last weekend.(have)4、She _ bre

2、akfast already. (eat)5、People _ robots in 100 years. (have)6、Ms Green _ when I came in. (cook)is readingwalkhadhas eatenwill havewas cooking同学们，你做对了吗？你是怎么做对的？做错了也没关系，我们一一学习！- 关注-动词在时态中的形式：1、动词原形2、动词第三人称单数：1）一般情况加-s ;2)以s, x, sh, ch, 辅音字母+o结尾的动词，加es;3)以辅音字母加y 结尾的动词，变y 为i,再加es。3、现在分词：1)一般情况加-s ;2)以不发音

3、的字母e结尾的动词，去掉e,再加-ing；3）以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing。 4、过去式：规则变化 1）一般情况加-ed; 2）以e结尾的动词加-d; 3）以重读闭音节结尾的动词，末尾只有一个辅音字 母，应双写这个辅音字母，再加-ed; 4）以辅音字母加y结尾的动词，变y 为i,再加-ed。5、过去分词：规则变化与其过去式相同 请记住： 我们做这样的题时，一般应掌握以下小技巧：（动词时态填空三部曲) 一看标志； 二定时态； 三写构成。 Lets try how to use the trilogy.(让我们尝试如何用三部曲做下面各题）1、Look

4、! The boy _a book. (read) 提示：一找标志: Look！； 二定时态: 现在进行时; 三写构成: is reading is readingLets try how to use the trilogy.2、 I often _to school.(walk)walk提示：一找标志：often 二定时态：一般现在时 三写构成：walkLets try how to use the trilogy.3、They _ fun last weekend.(have)had提示：一找标志 last weekend(过去时间） 二定时态: 一般过去时 三写构成：hadLets t

5、ry how to use the trilogy.4、She _ breakfast already. (eat)has eaten提示：一找标志：already 二定时态：现在完成时 三写构成：has eatenLets try how to use the trilogy.5、People _ robots in 100 years.(have)will have提示：一找标志：in 100 years(从现在 算起的时间） 二定时态：一般将来时 三写构成：will haveLets try how to use the trilogy.6、Ms Green _ when I came

6、in. (cook)was cooking提示：一找标志：when I came in （came是come的过去式） 二定时态：过去进行时 三写构成：was cookingWhat do you often do at home ?I often watch TV. 同学们，现在我们利用动画情景来理解一般现在时和一般过去时 ，请看对话。下面我们一一分解各种时态What do you often do at home ?I often watch TV. 1.现在请同学们找出每个句子的时态的标志，它是什么？What do you often do at home ?I often watch

7、TV. 2.现在我们在这两个句子里找到一般现在时的构成。请看下面两幅图小明问他的好友Tom昨天做了啥,你们知道他做什么了吗？ What did you do yesterday?I played with my brother, then I cleaned my room.She visited the USA.She went to New York City.Where did she go on vacation?时态标志构成一般现在时一般过去时 usually, often, sometimes, every day/month/Monday/., in the evening, o

8、n Sunday.动词原形/第三人称单数yesterday, yesterdaymorning/afternoon.,Last week/., in 2011.动词的过去式(-ed)刚才我们的动画呈现了两种时态，请看看它们的标志和构成： 真题演练- 一般现在时与一般过去时的对比 1. Lucy usually_ to school . A walks B is walk C is walking D has walked 2.-Wheres your father? -Im not sure. He _ to Xian yesterday. A. goes B. went C. was go

9、D. has gone A 剖析：我们一看题干中有“yesterday”，就知道是一般过去时的标志，再分析这个对话的场景，的确是用一般过去时！根据一般过去时的构成，故选B。B 剖析：看四个选项，就知道考查时态，根据句子里的标志usually, 我们就确定选一般现在时：用动词第三人称单数，所以答案是A。What are you doing now?Im watching TV. 现在我们利用情景来理解现在进行时：What are you doing now?Im watching TV. 现在我们找出每个句子的标志，谁能找出来吗？What are you doing now?Im watchin

10、g TV. 现在我们在句子里找出现在进行时！现在我们正在上课，而昨天的这个时候Jerry在做什么？Look at a picture.Jerry was swimming this time yesterday.过去进行时昨天这个时候，也就是下午2:30那些人在滇池里做什么？The people were cleaning Dianchi Lake at 2:30 yesterday afternoon. 再看下图 昨天这个时候，也就是下午2:30那些大妈在广场做什么？The old women were dancing on the square at 2:30 yesterday afte

11、rnoon. 通过刚才的图片和场景，同学们应该清楚了“现在进行时”和“过去进行时”，请看这两种时态的标志和构成。时态标志构成现在进行时过去进行时 at this time yesterday,at that time, at ten oclock last Sunday.或when引导的从句(when I came in.)was +-ingwereLook! Listen! Be quiet! Its +时刻. now, 上下文.amis +-ingare真题演练-现在进行时与过去进行时的对比3. Be quiet! We _ a soccer game on TV. A. watch B.

12、 watched C. are watching D. were watching4. Lucy _ when I came in. A sleeps B was sleep C was sleeping D is sleepingc剖析：，从四个选项就能看出是考查时态的，根据句子里的标志Be quiet!,（此时此刻我们正在看电视上的足球比赛。）就能确定用现在进行时，而根据现在进行时的构成，答案选C。剖析：看四个选项，就知道考查时态的，根据句子里的标志when I came in,(当我进来的那个瞬间），Lucy 在睡觉。 我们就应该选过去进行时，而根据过去进行时的构成，所以答案是C。cLe

13、ts look at a picture! 乌龟说什么？一般将来时Lets look at another picture! 蜗牛要为乌龟买什么？以上两图在它们所说的句子里都用了一个共同的时态，是什么？是一般将来时 ，请说出它的标志和构成:时态标志构成一般将来时 tomorrow, tomorrowafternoon/evening.next week/monthin +一段时间will +动词原wi形be going to +动词原形 真题演练- will 与be going to 对比 5.People_ robots in 100 years . A will have B have C

14、 are having D have had 剖析：，看四个选项，就知道考查时态，根据句子里的标志in 100 years, 就选一般将来时，而根据它的构成：will +动词原形，所以答案是A。 6.-What do you want to do tomorrow？ - I_ time with my grandma. A. spend B. am going to spend C. spent D. spent A剖析：我们根据题干中有“tomorrow”，就知道是一般将来时的标志，再看看上下文，的确是要用一般将来时，根据构成，故选B。B你已经收拾了自己的房间吗？Yes, I have al

15、ready cleaned it.Have you cleaned your bedroom yet?是啊，我已经打扫干净了。请看下图它是什么样的时态：林书豪已经在美国生活了多长时间了？how long has Jemery Lin lived in America？He has lived in America since he was born.He has lived in America for 27years old.他从出生就在美国住。他在美国住了27年了。如何判断现在完成时1.找标志词 2.联系上下文语境，看过去发生的事情是否对现在造成影响already , yet , just

16、, before, so far, since +时间点, for +时间段 知道了要用现在完成时，那现在完成时该怎么写，那就要知道它的构成。请记住它的构成：have/has +过去分词（-ed）7. How clean the bedroom is ！ Yes, I am sure that someone _ it. A cleans B cleaned C has cleaned D had cleanedC剖析：首先看四个选项，都是动词clean的四个时态，由第一句我们得知这个卧室很干净，而第二句猜测是有人打扫了。根据上下文语境，说明“过去打扫的动作”对现在产生了影响“卧室干净”。所以

17、用现在完成时，根据现在完成时的构成，故答案是C真题演练8. -Hasnt Betty come yet? -No, and I_ for her for more than 2 hours. A wait B waited C have waited D had waitedc剖析：看四个选项，就知道考查时态的，根据上下文语境、特别是答句里的标志for nearly 2 hours, 我们就应该选现在完成时，根据现在完成时的构成，所以答案是C。同学们，今天我们复习了六种时态，“如何利用三部曲将时态进行到底!”是我们这节课的主旨。让我们最后用半分钟扫描一下这些时态的标志和构成吧！时态 标志构成一

18、般现在时usually, often, sometimes, every day , every year, in the morning, on Sunday.动词原形/ 第三人称单数一般过去时yesterday, yesterday morning., last year, in 2003动词的过去式现在进行时Listen! Look! Be quiet! Its +时刻. now, 上下文is/am/are + -ing过去进行时 this time yesterday, at that time, at 2:00 last Sunday afternoon., 上下文.was/were + -ing一般将来时tomorrow, tomorrow morning/., next week/., in two days., in 2050.will +动词原形be going to +动词原形现在完成时already, just, yet, ever., so far, for +一段时间， since +时间点, 上下文.have/ has + 过去分词Thank you!Homework( ) 1. They usually