成功的快樂在於一次又一次對自己的肯定，而不在於長久滿足於某件事情的完成。接下來應屆畢業生考試網小編為大家精心整理了最新版國中八年級下冊英語知識歸納，歡迎大家閱讀收藏。
in 介詞，構成一個短詞
Put on your old clothes tomorrow, because we’ll do some cleaning.
Kate is wearing a red sweater today.
The man in a blue suit is Mr. Li
18.
在if 引導的條件狀語從句、以when , before, after , as soon as 引導的時間狀語從句, 當主句是：一般將來時態、含情態動詞或祈使句的情況下，從句用一般現在時表示將來時。
We’ll go hiking if it doesn’t rain tomorrow.
it doesn’t rain
=
it isn’t rainy
I’ll tell her the good news as soon as I see her.
同樣的情況還適用於not ---- until 句型
I won’t go to bed until I finish my homework.
19.
在以when
引導的時間狀語從句, 當從句是一般過去時態時，主句往往用過去進行時,表示在過去的某一時刻正在發生或正在進行的'動作：
They were having supper when I got to their home.
20.
It’s time for sth /
It’s time to do sth /
It’s time for sb to do sth.
It’s time for us to start our lesson now.
21.
It takes /
It took /
It will take
somebody some time to do something.
It took them twenty minutes to finish the cleaning.
It will take us about ten hours to finish our homework.
22.
it 作形式主語或形式賓語，其真正的主語或賓語是後面帶to 的動詞不定式:
It’s necessary to learn English well.
We found it difficult to work out the maths problems.
23.
too ----
to 句型,
too ---- for sb to
do sth ----，對某人來說太-----以致於不能-----
The apples on the
tree
are too high for me to reach.
Kate is too young to go to school.
24.
enough 用法：形前名後， big enough
;
enough food
----- enough to do sth
足夠-------能夠-------
Jim is old enough to go to school.
25.
little , a little 修飾不可數名詞 ;
much 修飾不可數
few a few 修飾可數名詞;
many 修飾可數
a little
a few 具有肯定含義little few 具有否定含義
some, any , a lot of = lots of 既可以 修飾不可數，也可以修飾可數名詞;
There
is a little time left, take it easy.
We’d better go shopping ,there are few eggs left.
Mr. Little doesn’t have much money. (否定句中常用much而不用a lot of )
26.
much too 中心詞是too, 常修飾形容詞,
It’s much too cold today,
we should wear warm clothes.
too much中心詞是much, 常修飾不可數名詞,
There’s too much water,
please be careful..
27.
有關情態動詞的問答：
May I ------?
No, you can’t.
No, you mustn’t.
Must I /
we
-----?
No, you needn’t.
要注意could 和can的區別：could可表示語氣的委婉，也表示過去的能力
Could you help me ?
Could she swim when she was four years old?
要注意must 和have to 的區別：must強調主觀, have to 強調客觀
要注意maybe和 may be的區別 ： maybe在句中作謂語
Maybe it’s here.
It may be here.
28.
不定代詞：someone, anyone ; something , anything , nothing ; somebody , anybody, nobody.
Something常用於肯定句和表示請求的疑問句中 ， anything用於否定句中和疑問句中，not anything = nothing
;
without anything =
with nothing
Would you like something to eat?
I’d like Chinese tea with nothing in it .
形容詞修飾不定代詞要放在不定代詞後面：
Be quiet! I have something important to tell you.
Is there anything interesting in today’s newspaper?
29.
反身代詞: myself, yourself, himself, herself, itself, ourselves, yourselves, themselves.
要記住：一、二人稱用物主，第三人稱用賓格， 複數self要變selves
和反身代詞有關的一些片語：enjoy oneself.
= have a good time.
learn by oneself,
leave one by oneself
She had to teach her son herself.
I don’t need your help, I can do it myself.
30.
形容詞修飾名詞，副詞修飾動詞：
What a strong wind!
It’s blowing strongly.
連繫動詞：be, feel, look, get,
turn , taste, smell, become,
+ 形容詞作表語
31.
感嘆句：What + a/an + 形容詞 + 可數名詞的單數形式+ 主語+ 謂語!
What+ 形容詞+ 可數名詞的複數形式 / 不可數名詞+ 主語+ 謂語!
How + 形容詞或副詞 + 主語+ 謂語!
What a nice day it is !
What beautiful flowers they are!
How happily they are playing!
32.
反意疑問句：要注意前肯後否，前否後肯，要用be動詞，助動詞或情態動詞來做，
要注意否定詞：never, little, few, hardly ,nothing, nobody 等
祈使句的反意疑問句用：will you ?
以Let’s開頭的反意疑問句用: shall we ?
She usually gets up at six, doesn’t she?
There’s little water in the bottle, is there?
Please take these
books to the office, will you?
You have never been to New York, have you?
33.
形容詞和副詞的比較級和最高階：要注意比較級和最高階的構成:
規則變化: 要雙寫的：big, fat, thin, red,
不規則變化：good,
bad,
far,
ill,
比較級用在：than ，
a little + ，
much + ,
最高階用在：
of all, of the three, in his class, in the world等表示有範圍的短語中，
one of + 最高階 + 可數名詞的複數
34.
以so 引導的倒裝句：表示-----也一樣，也如此，前後主語要不一致，要通過be動詞、助動詞、情態動詞來做:
I reached home at 9:00, so did my brother.
Canadians eat a lot of beef, so do Chinese people.
35.
either---or----, neither ---- nor ----
連線兩個主語，謂語動詞采用就近原則;
Either of ----或 Neither of ------謂語動詞用單數;
Both of
------或 both
---- and -----謂語動詞用複數
Both of them are Chinese.
Neither of them is Australian.
Neither Jim nor I am American.
