新目标八年级下册英语语法知识点精讲
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新目标八年级下册英语语法知识点精讲+练习
(一)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?
2.表示意图I will borrow a book from our school library tomorrow.
基本构成如下:
一般疑问句构成:
(2)there be结构的一般疑问句:
Will there + be …?
Will there be fewer trees? Yes, there wi ll. / No, there won’t
否定句构成:
will + not (won’t)+do
特殊疑问句构成:
特殊疑问词+will+主语+…?What will Sarah do next Sunday?
★★练一练★★根据例句,用will改写下列各句
例:
I don’t feel well today.(be better tomorrow)改为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)
_______________
答案:
1. She’ll have a lot of homework tonight.
2. I’ll sleep later.
3. They’ll buy one soon.
4. We’ll leave a little later.
5. Maybe it’ll 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。
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
★★练一练★★用should和shouldn’t填空
1. I can’t sleep the 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 day.
(三)过去进行时
过去进行时表示过去某一点时间正在进行的动作或者过去某一段时间内一直进行的动作。
1.构成was /were + doing,例如:
I was watching TV at 9 o’clock last night(at 9 o’clock last night是时间点)
They were playing football all afternoon.( all afternoon是时间段)
2.过去进行时的标志词:
at 8 o’clock last night, this time yesterday等。例如:
I was having lunch at home this time yesterday.昨天的这个时候我正在吃午饭。
At that time she was writing a book.那阵子她在写一本书。(表示她在那段时间里一直在做那件事情。)
★★练一练★★用括号中所给动词的适当形式填空。
1.This time yesterday I __ ___(read)books.
2. At 9 o’clo ck last Sunday they ___ ___(have)a party.
5. I ___ ___(have)a shower when you ____(call)me yesterday.
(四)间接引语
形成步骤:1不要逗号,冒号,引号2要考虑到人称的变化3要考虑时态的变化4要考虑时间状语、地点状语和语示代词的变化。
1.直接引语变成间接引语时,几个主要时态的变化规律
直接引语间接引语
一般现在时一般过去时
一般将来时过去将来时
现在进行时过去进行时
2.直接引语变成间接引语时,一些词汇的变化规律
直接引语间接引语
1. am / is1. was