人教版八年级上英语全部知识点、语法

1.形容词和副词的比较级
(1) 一般在形容词或副词后+er
older taller longer stronger, etc
(2) 多音节词前+more
more interesting, etc.
(3) 双写最后一个字母，再+er
bigger fatter, etc.
(4) 把y变i，再+er
heavier, earlier
(5) 不规则变化：
well-better, much/many-more, etc.

2.祈使句：
Sit down please
Don’t sit down, please.

3. there be 结构
肯定句： There is a …
There are …
一般疑问句:Is there …? Yes, there is./ No, there isn’t.
Are there…? Yes, there are. /No, there aren’t.
否定句： There isn’t …. There aren’t….

4.一般现在时：通常用 “usually, often, every day, sometimes”。
形式：
肯定句：
I go to school on foot every day.
She goes to school on foot every day.

5.现在进行时：形式： be + verb +ing
eg: I am(not) doing my homework.
You/We/They are(not) reading.
He/She/It is(not) eating.

动词 —ing 的形式
Most verbs +ing walk—walking
Verbs ending in e -e + ing come—coming
Short verbs ending in a vowel + a consonant run –running swim—swimming

6.

重点的句型：

1.How many + 复数名词 + are there ...?

此句型是一个特殊疑问句，意思是\"在......有多少......？\"多用来对可数名词的数量提问。How many 后面要接可数名词的复数形式。如：
How many apples are there on the table? 桌子上有多少个苹果？

2.. What about ...?
此句型意思是\"......怎么样？\"、\"......呢？\"，通常用来询问情况或征求意见、看法等。其中的about是介词，后面可接名词、代词或动词等。如：
What about that computer? 那台电脑怎么样？
My gloves are red. What about theirs? 我的手套是红色的，他们的呢？
What about playing games after school? 放学后做游戏怎么样？

3. What time is it?/What\'s the time?
英语中，常用这两个句型来询问现在的时间，意思是\"什么时间了？\"或\"几点了？\"其答语一般用\"It\'s + 时间.\"其中的it指代时间，翻译时可不译，常在句尾加上please，以表示委婉的语气。如：
What time is it, please? 请问现在几点了？
-It's about a quarter past ten. 大约十点十五分。

4. What colour + be + 主语?
询问某物的颜色，一般用以What colour 开头的特殊疑问句，其答语通常用\"It\'s/They\'re + 表示颜色的形容词\"。如：
-What colour is her blouse? 她的衬衫是什么颜色的？
-It's light blue. 是浅蓝色的。

5.Whose + 名词 + be + 其它？/Whose + be + 名词？
英语中常用这两个句型来询问某事物属谁所有。如：
Whose cup is that? 那是谁的杯子？
Whose are these photos? 这些照片是谁的？

6. It's time for + sth. /It's time to do sth. / It's time for sb. to do sth.
这个结构意思都是\"该做某事了\"，\"到做某事的时候了\"。如：
It's time for school. 到上学的时候了。
It\'s time to have supper. 该吃晚饭了。

7. 选择疑问句：选择疑问句是用or连接询问的两部分，以供选择，答案必须是完整的句子或其省略形式，不能用Yes或No回答
一般提出两种或两种以上的可能,问对方选择哪一种.其结构可用一般疑问句,也可用特殊疑问句.供选择的两部分用or连接,前者读升调,后者读降调.
e.g. Will you go there by bus or by train?
What would you like, coffee or tea?
How many pens do you have, one or two?
选择疑问句的答语必须是完整的句子或其省略式,不能答yes或no.
e.g. Do you go to school by bus or by bike?
By bus.
Which would you like, tea or coffee? Coffee.

一般疑问句演化来的选择疑问句
e.g. Is it right or wrong?
Were you or he there?
Are they reading, chatting or watching TV?
特殊疑问句演化来的选择疑问句
e.g. Which do you like better, coffee or milk?
What color is it, red, blue or yellow?
Where are you going, to the classroom or to the library?
or not构成的选择疑问句
e.g. Do you want to buy it or not?
Are you ready or not

8.另外，“to be + going + 动词不定式”这个特殊的结构可表示在未来即将要进行的动作。
例：He is going to tell me tomorrow - 他将在明天告诉我。

练习题：
There are ____ water in the bottle.（B）瓶子里有一点水
There are ____ water in the bottle.（A）瓶子里没水了
There are ____ students in the classroom.（D）教室里有几个学生
There are ____ students in the classroom（C）教室里没有学生
There are ____ apples on the trees.（D）有几个苹果长在树上
选项统一为
A、little B、a little C、few D、a few

3. Of course,every one of us_1__to make friends like food---they are useful to us,and they can help us when we are _2__need._3__you can make as many friends of this kind as possible.
(1) A.want B.will want C.wants
(2) A.in B.on C.for D.of
(3) A.And B.But C.So D.Because

答案：CAC

4.Twenty minutes later,John_1__a tree.His leg was broken,and it hurt _2__.
Mr smith _3__to mend the chair.then he_4__himself with a hammer.
(1) A.fell over B.fell from C.fell down D.fell on
(2) A.all the day B.all day C.whole day D.all days
(3) A.starts B.started C.was starting
(4) A.damaged B.knocked C.hit D.cut

答案：BABC

一般现在时，现在进行时，祈使句，there be句型等