人教版八年级下册英语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?
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+do
Sarah 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?
★★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 )
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。
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 playing 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 yo⋯u ?
（5）What about doing sth.?
（6）You'd better do sth.
★★练一练★★
用should 或shouldn '填t空
1. I can ' t sleep tghhet nbiefore 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.
答案： 1. should 2. shouldn 't3. should 4. should 5. should
（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 nt.i gh at 9 o ' clock last nig是h时t 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 yesterd等ay。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 ' clock last Sunday they _______ ___（__h_ave） a party.
3. When I ___ （come）into the classroom, she ______ _____ （read） a storybook.
4. She ___ _____ （play）computer games while her mother _ _____ （cook）yesterday afternoon.
5. I ____ _____ （have） a shower when you ___ （call ）me yesterday.
答案： 1. was reading 2. were having 3. came; was reading
（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（人称的变化与汉语是一致的）
（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
4. was playing; was cooking
5. was having; called
