八年级英语上册第一单元重点知识

发布 2022-12-16 13:28:28 阅读 9427

unit 1

一, grammars:

提问频率: how often

1, 频率两类: 频率副词: always, usually, often, sometimes, hardly ever,hardly, never

频率短语: once a day , three times a month , every day 等。

2,eg:1) he often surfs the internet.( 划线提问 )

how often does he surf the internet ?

2) my mother watches tv every day.( 划线提问 )

how often does your mother watch tv?

3, 区别于对次数提问: i play computer games three times a week .

how many times do you play computer games ?

4,含有的 how疑问词 :

how 怎样 how old 多大。

howmany 多少(提问可数名词的量) how much 多少(提问不可数名词的量)

how often 多久一次 how far 多远 how long 多长时间。

二, words and phrases:

1,hardly 几乎不,表示否定含义。

2,time ▲ 时间,不可数 much time

次数,可数 four times

3, active 积极的形容词 activity 活动名词。

4, heath 健康,名词 healthy 健康的,形容词 unhealthy 不健康的,形容词。

注:有些形容词词前加 un 表示反义词 unhappy unimportant

5, try to do sth. 努力做某事 try doing sth, 试着做某事。

6, 照看,照顾: look after = take care of

照看好: look after well = take good care of

7, same 相同的 adj, 用时前加 the we are in the same class.

different 不同的 adj, the twins look different.

difference 不同点 n.. 可数名词 there are some differences between

us .8, although but 不能同时使用, because so 不能同时使用。

9,许多 :▲a lot of =lots of 修饰可数和不可数名词。

many 修饰可数名词 ▲ much 修饰不可数名词。

10,must 情态动词,后加动词原形,没有人称和数的变化。

注: must i clean the house now ? yes, you must. no, you needn ’t.

11, the best student 最好的学生注 best, good 的最高级,用时前加 the

unit 2

一, grammars:

1, 你怎么啦? what’ s the matter with you what?’ s wrong with you?

what’ s your trouble?

回答: i h**e a headache / toothache / stomachache .

i h**e a sore back / leg /throat .

i h**e a cold / fever .

2, 提建议: you should lie down and rest.

you shouldn ’teat anything .

二, words and phrases:

1,foot 复数: feet tooth 复数: teeth

2,休息: rest ▲ 动词 ▲ 名词: h**e a rest

3, 在。。。以前 ▲ ago 段 ago five hours ago

before before 点 begofe eight o ’ clock 4, ill, adj. 形容词 she is ill .

illness n. 名词 her illness

5, 有些动词加 ed 变为形容词 relaxed interested stressed

6, believe, think, 否定前移:当主语是第一人称时,从句若是否定,不否定从句,否定主句。

eg: we don’ t think they can do it very well .

7, 包含 good 的短语:

be good at 擅长于。。。be weak in 在。。。方面比较差。

be good for 对。。。有益 be bad for 对。。。有害。

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