八年级下册知识点总结.doc

Unit 1
Will people have robots?
II. Grammar:
·一般将来时·there will be ·few,a few,little,a little,much,many
语法小结:
一、一般将来时
doing表示将来:主要意义是表示按计划、安排即将发生的动作,常用于位置转移的动词。
如:e,leave,arrive等,也可用于其他动作动词。
We are having fish for dinner.
We are moving to a different hotel the day after tomorrow.
这种用法通常带有表示将来的时间状语,如果不带时间状语,则根据上下文可表示最近即将发生的动作。
A: Where are you going? B: I am going for a walk. Are ing with me?
A: Yes,I am ing. Wait for me.
going to do表示将来:主要意义,一是表示“意图”,即打算在最近的将来或将来进行某事。
Are you going to post that letter?
How long is he going to stay here?
I am going to book a ticket.
另一意义是表示“预见”,即现在已有迹象表明将要发生或即将发生某种情况。
It’s going to rain.
e is putting on weight; he is going to be quite fat.
3. 用will/ shall do表示将来:
主要意义,一是表示预见。
You will feel better after taking this medicine.
Do you think it will rain?
二是表示意图.
I will not lend the book to you.
Take it easy,I will not do it any longer.
基本结构:
She e to have class tomorrow.
Will e to have class tomorrow?
She won’e to have class tomorrow.
What will she do tomorrow?
二、There be结构
1. there be 结构中的be是可以运用各种时态的。
There is going to be a meeting tonight. 今晚有个会议。
There was a knock at the door. 有人敲门。
There has been a girl waiting for you. 有个女孩一直在等你。
There will be rain soon. 不久天就要下雨了。
2. 动词be单复数形式要跟there be之后的真正的主语一致。并且要根据就近一致原则来变换be的单复数形式。
如There is a book on the desk. 课桌上有一本书。
How many people are there in the city? 这个城市里有多少人口?
There is a pen and two books on the desk. 课桌上有一个钢笔和两本书。
There are two books and a pen on the desk. 课桌上有两本书和一个钢笔。
There are some students and a teacher in the 。
There is a teacher and some students in the classroom. 教室里有一位老师和一些学生。
3. 在there be引起的句子结构中,用来修饰主语的不定式主动形式和被动形式均可。
There is no time to lose (=to be lost). 时间紧迫。
There is nothing to see (=to be seen). 看不见有什么。
There is nothing to do. (=to be done) 无事可做。
4、There is no doing.
(口语)不可能…….
There is no telling when he will be back. 无法知道他什么时候回来。
There i