人教版go for it 八年级下册英语Unit8 — 10 语法 复习ppt课件.ppt

1、现在完成时现在完成时 一、构成一、构成 现在完成时由“现在完成时由“助动词助动词have / has +动词的动词的 过去分词过去分词”构成。”构成。 二、用法二、用法 1. 表示过去发生或已经完成的某一动作对表示过去发生或已经完成的某一动作对 现在造成的影响或结果现在造成的影响或结果。 常见的常见的时态标志词有时态标志词有already (常用于肯定常用于肯定 句句), yet (用于否定句和一般疑问句用于否定句和一般疑问句), just, ever, never, before, so far等。如：等。如： Susan has already watched the TV play. H

2、ave you found your new book yet? No. I havent found it yet. My grandparents have ever traveled by plane. Tim hasnt heard of it before. 2. 表示动作或状态在过去已经开始，持续表示动作或状态在过去已经开始，持续 到现在，也许还要持续下去到现在，也许还要持续下去，该用法常，该用法常 适用于适用于延续性动词延续性动词。常见的。常见的时态标志词时态标志词 有有since和和for。 since意为“自从意为“自从”，它既可作介词，它既可作介词， 也可作连词。作介词时，

3、后接过去的时也可作连词。作介词时，后接过去的时 间点，表示某事开始的时间；作连词时，间点，表示某事开始的时间；作连词时， 引导时间状语从句，从句常用一般过去引导时间状语从句，从句常用一般过去 时。时。 如：如： My sister has been a teacher since two years ago. The Smiths have worked there since they moved to the city. for作介词作介词，后接一段时间，表示一种状况，后接一段时间，表示一种状况 已经持续了多长时间。如：已经持续了多长时间。如： They have lived in the

4、 house for eight years. 另外，对另外，对since和和for引导的时间状语引导的时间状语(从句从句) 提问时常用提问时常用how long。如：。如： I have stayed in this city for ten days. (对对 划线部分提问划线部分提问) How long have you stayed in this city? 1. My grandparents _ in that city since 2019. 2. A. will live B. live C. have lived D. were living 2. Amy, can we

5、give away these soft toys? We _ them for many years. Mom, but I want to keep the bear. A. bought B. had C. have bought D. have had C D 3. I _ a camera two weeks ago but I havent had a chance to use it. A. have bought B. bought C. will buy 4. How many times _ Carl _ to the Great Wall? Only once. A. d

6、oes; go B. did; go C. has; gone D. has; been B D 5. Miss Brown, we _ cleaning our classroom. Can we go home now? A. finish B. finishing C. are finished D. have finished 6. I _ scared of dogs ever since a dog hurt me when I was five years old. A. will be B. was C. have been D. would be D C 7. Ben and

7、 Sue arent home, are they? No. They _ to London on business. A. have gone B. go C. have been D. will go 8. Lei Feng _ for many years, but his spirit is still encouraging us. A. died B. has died C. was dead D. has been dead A D 9. Mr. Brown _ his hometown since he _ the army. A. has left; joined B. h

8、as been away from; has joined C. has been away from; joined D. left; joined C 10. I heard a new song on the radio. I _ high and low in the music store, but I cant find the song. A. search B. have searched C. am searching D. will search 11. _ have you stayed in Beijing? For more than five months. A.

9、How often B. How long C. How far B B . 根据句意及所给首字母提示，补全句中根据句意及所给首字母提示，补全句中 所缺单词。所缺单词。 1. You cant depend on your parents f_. You must learn to take care of yourself. 2. My cousin likes football very much. He is a big f_ of it. forever fan 3. Robert didnt take any photos because he didnt take a c_ wit

10、h him. 4. To keep s_, we must follow the traffic rules. 5. Mary o_ two cars. One is red, and the other is white. 6. It is said that listening to classical music, e_ Mozart, can help with math and science learning. camera safe owns especially . 根据句意，从方框中选择恰当的单词填根据句意，从方框中选择恰当的单词填 空，有的需要变换形式。空，有的需要变换形式

11、。 1. Tony was walking _ the post office when we saw him this morning. 2. You must work hard if you want to get _. succeed, encourage, towards, regard, peace, among towards success 3. To live a(n) _ life, my grandparents moved to the country last year. 4. Im shy. My parents often _ me to speak loudly

12、 in front of people. 5. Look! There are many bees dancing _ flowers. 6. Paul was very brave. We all _ him as a hero. succeed, encourage, towards, regard, peace, among peaceful encourage among regarded III. 根据括号内的要求完成下列各题。根据括号内的要求完成下列各题。 1. The Greens have already moved to Paris. (改为一般疑问句改为一般疑问句) _ t

13、he Greens _ to Paris _? 2. Has his sister finished the science fiction? (补全否定答语补全否定答语) No, _. 3. Ms. Lee bought this house in 2008. (用用 since替换替换in 改写句子改写句子) Ms. Lee _ this house since 2008. Have moved yet she hasnt has had 4. Miss Lin has been in this school for five years. (对划线部分提问对划线部分提问) _ Miss

14、Lin _ in this school? 5. The old man in the picture made me think of my grandpa. (改为同义句改为同义句) The old man in the picture _ me _ my grandpa. How long has been reminded of IV. 根据汉语意思完成英语句子。根据汉语意思完成英语句子。 1. 根据调查，我班大部分学生喜欢唱歌。根据调查，我班大部分学生喜欢唱歌。 _ the survey, most of the students in my class like singing.

15、2. 在清理书房时，伯特找到了他爷爷奶奶的一在清理书房时，伯特找到了他爷爷奶奶的一 张老照片。张老照片。 Bert found an old photo of his grandparents when he was _ the study. 3. 我奶奶将近我奶奶将近90岁了。岁了。 My grandmas age is _ 90. According to clearing out close to 4. 赶快，否则我们会误了飞机。赶快，否则我们会误了飞机。 _, or well miss the plane. 5. 杭州是一个美丽的城市。每年成千上万杭州是一个美丽的城市。每年成千上万 的

16、人参观它。的人参观它。 Hangzhou is a beautiful city. _ people visit it every year. 6. 说实在的，这是贾森曾经看过的最糟糕说实在的，这是贾森曾经看过的最糟糕 的电影。的电影。 _, its the worst movie that Jason has ever seen. Hurry up Thousands of To be honest V. 根据汉语意思及括号内所给英文提示根据汉语意思及括号内所给英文提示 语，将下列句子翻译成英语。语，将下列句子翻译成英语。 1. 卢克卢克(Luke)通过了英语考试，真是难以通过了英语考试，真

17、是难以 置信！置信！ (unbelievable) 2. 霍莉霍莉(Holly)学习数学有困难。学习数学有困难。 (problem) 3. 爬这座山似乎很困难。爬这座山似乎很困难。 (seem) Its unbelievable that Luke passed the English exam! Holly has problems (in) learning math. It seems difficult to climb the mountain. 4. 从她九岁开始，我就认识她了。从她九岁开始，我就认识她了。 (ever since) 5. 海斯先生海斯先生(Mr. Hayes)还没

18、有到达机场。还没有到达机场。 (yet) 6. 你曾经见过我的新自行车吗？你曾经见过我的新自行车吗？ (ever) I have known her ever since she was 9 years old. Mr. Hayes hasnt arrived at the airport yet. Have you ever seen my new bike? In The Giving Tree, a tree helps a boy in many ways throughout his life. Johanna Bozuwa read the book to fourth grade

19、rs at a school in Dallas, Texas. VI. 阅读短文，从方框中选择恰当的词并用其阅读短文，从方框中选择恰当的词并用其 适当形式填空，使短文完整、通顺，每词限适当形式填空，使短文完整、通顺，每词限 用一次。用一次。 volunteer, improve, and, promise, for, important, kind, organize, million, value Bozuwa works (1)_ Earth Day Network (EDN). This group helps to improve the environment. While the

20、 class discussed the book, (2)_ outside the classroom were planting 25 trees around the schools playground. “It was good for our school,” teacher Diana Birdsong said. She (3)_ the event. volunteer, improve, and, promise, for, important, kind, organize, million, value for volunteers organized This pl

21、anting and many others are part of an EDN program called the Canopy Project. It started in 2012 and EDN (4)_ to plant 10 million trees with partners over five years around the world. volunteer, improve, and, promise, for, important, kind, organize, million, value promised In May 2019, EDN and partne

22、rs planted 20 different (5)_ of trees in Denver, Colorado. A leader of the group, said that this planting was also done (6)_ air quality (质量质量). But the trees provide beauty and educational chances too. volunteer, improve, and, promise, for, important, kind, organize, million, value kinds to improve

23、 So far, the Canopy Project has planted (7)_ of trees in over 20 countries. This includes trees planted in Haiti after terrible earthquakes, in Uganda to help improve farming, (8)_ in France to restore (修复修复) forests. volunteer, improve, and, promise, for, important, kind, organize, million, value m

24、illions and Bozuwa says school tree plantings have an added (9)_. “Students now understand the (10)_ of the trees outside their window and on their playground,” she says. “They will take care of the Earth better for years to come.” volunteer, improve, and, promise, for, important, kind, organize, million, value value importance