八年级上册 英语语法知识点精讲

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八年级上册英语语法知识点精讲+练习一般将来时一般将来时表示将来某个时间要发生的动作或者存在的状态。

通常与表示将来的时间状语连用,如tomorrow, the day after tomorrow, next year, next month, next week, in 100 years等be going to do (动词原形)结构:表示打算、准备做的事情或者肯定要发生的事情。

如:It is going to rain. will do 结构表示将来的用法:1. 表示预见Do you think it will rain? You will feel better after a good rest.2. 表示意图I will borrow a book from our school library tomorrow.What will she do tomorrow?基本构成如下:一般疑问句构成:(1)will+主语+do…? Will Sarah come to visit me next Sunday?(2)there be 结构的一般疑问句:Will there + be …?Will there be fewer trees? Yes, there will. / No, there won’t否定句构成:will + not (won’t)+doSarah won’t come to visit me next Sunday.特殊疑问句构成:特殊疑问词+will+主语+…?What will Sarah do next Sunday?根据例句,用will改写下列各句例:I don’t feel well today. (be better tomorrow)I’ll be better tomorrow.1. Gina has six classes today. (have a lot of homework tonight)_____________________________2. I’m tired now. (sleep later)_____________________________3. My parents need a new car. (buy one soon)_____________________________4. We can’t leave right now. (leave a little later)_____________________________5. The weather is awful today. (be better tomorrow)_____________________________ 二)should的用法:should用来提出建议和忠告,后边加动词原形,否定句直接在should后边加not.例如:I think you should eat less junk food. 我认为你应该少吃垃圾食品。

She drives a lot and she seldom walks. So I think she should walk a lot.她经常开车,很少走路。

所以我认为她应该多走路。

Students shouldn’t spend too much time pl aying computer games.学生们不应当花太多的时间玩计算机游戏。

学习向别人提建议的几种句式:(1)I think you should…(2)Well, you could…(3)Maybe you should …(4)Why don’t you…?(5)What about doing sth.? (6)You’d better do sth.用should或shouldn’t填空1. I can’t sleep th e night before exams.You ______ take a warm shower before you go to bed.2. Good friends ______ argue each other.3. There is little milk in the glass. We _______ buy some.4. They didn’t invite you? Maybe you ______ be friendlier.5. I am a little bit overweight. So I think I _______ do exercises every dayif引导的条件状语从句结构:if+一般现在时,主语+将来时含义:如果……,将要……例如:If you ask him, he will help you. 如果你请求他,他会帮助你。

If need be, we’ll work all night. 如果需要,我们就干个通宵。

1. 如果你参加聚会,你将会过得很开心。

If you ________ the party, you __________.2. 如果明天下雨,我们将不去野餐。

If it __________ tomorrow, we ___________.形容词的比较级和最高级一、比较级的定义:大多数的形容词都有三个级别:原级、比较级、最高级。

其中比较级表示“更……”,用于两者之间的比较,用来说明“前者比后者更……”,比较级前面一般用much, even, a little修饰,其中even, much 只能修饰比较级。

二、比较级的构成:(1)规则变化:2)不规则变化三、比较级的用法:(一)当两个人或事物(A和B)进行比较时,要用形容词(副词)的原级或者比较级1.表达“A和B一样”,用as…as的结构。

公式: A+be动词+as+形容词原级+as…+BA+实义动词+as+副词原级+as…+B Eg I am as tall as you.我和你一样高。

He runs as fast as I. 2.表达“A不如B”用not as…as的结构。

公式: A+be动词的否定形式+as+形容词原级+as…+B A+助词的否定形式+动词+as+形容词原级+as…+B Eg I am not as tall as you.我没有你高。

3.表达“A大于B”用“比较级+than”的结构。

Eg I am taller than you.我比你高。

He runs faster than I. 他跑得比我快。

(二)关于形容词、副词比较级的更多用法形容词比较等级语法专项练习题】1、That boy looks as _________ as a boxer.A. strong B. stronger C. strongest D. more strong2、The Summer Palace is________ than Zhong Shan park.A. bigerB. more bigC. the biggestD. bigger3、Which do you like__________ , apples or oranges?A. good B. better C. best D. well4、--Oh, the food is bad.--I think so .And the service(服务) is __________.A.the worst B. worse C. badder D. the worse5、--You have the same coat as I.--No, Mine is __________ , but not so __________ as yours.A. better, expensiveB. better, more expensiveC. much better, more expensiveD. good, more expensive6、The experts think that India’s population may be_____than China’s __________ 2020.A. much, byB. more, inC. larger, byD. larger, on7、This year our school is __________ than it was last year.A. much beautifulB. the most beautifulC. beautifulerD. much more beautiful8、__________ you work, __________ knowledge you will get.A. The harder, moreB. The harder, the moreC. Harder, the moreD. Harder, more9、He has__________ friends than I.A. much more B. many more C. very more D. too more10、She draws better than__________ .A. us all B. we all C. all us D. all we11、Shanghai is larger than__________ city in China.A. any B. any other C. the others D. any else12、I’m not sure whether Mary can sing _______Ann.A. as well as B. as good as C. as better as。