最新版初中八年級下冊英語知識歸納

　　成功的快樂在于一次又一次對自己的肯定，而不在于長久滿足于某件事情的完成。接下來應(yīng)屆畢業(yè)生考試網(wǎng)小編為大家精心整理了最新版初中八年級下冊英語知識歸納，歡迎大家閱讀收藏。

　　in 介詞，構(gòu)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(tài)、含情態(tài)動詞或祈使句的情況下，從句用一般現(xiàn)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.

　　同樣的情況還適用于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(tài)時，主句往往用過去進行時,表示在過去的某一時刻正在發(fā)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后面帶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-----以致于不能-----

　　The apples on the

　　tree

　　are too high for me to reach.

　　Kate is too young to go to school.

　　24.

　　enough 用法：形前名后， 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(shù)名詞 ;

　　much 修飾不可數(shù)

　　few a few 修飾可數(shù)名詞;

　　many 修飾可數(shù)

　　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(shù)，也可以修飾可數(shù)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(shù)名詞,

　　There’s too much water,

　　please be careful..

　　27.

　　有關(guān)情態(tài)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(qū)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(qū)別：must強調(diào)主觀, have to 強調(diào)客觀

　　要注意maybe和 may be的區(qū)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常用于肯定句和表示請求的疑問句中 ， anything用于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后面：

　　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�。阂�、二人稱用物主，第三人稱用賓格， 復數(shù)self要變selves

　　和反身代詞有關(guān)的一些詞組：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.

　　連系動詞：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(shù)名詞的單數(shù)形式+ 主語+ 謂語!

　　What+ 形容詞+ 可數(shù)名詞的復數(shù)形式 / 不可數(shù)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：要注意前肯后否，前否后肯，要用be動詞，助動詞或情態(tài)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級：要注意比較級和最高級的構(gòu)成:

　　規(guī)則變化: 要雙寫的：big, fat, thin, red,

　　不規(guī)則變化：good,

　　bad,

　　far,

　　ill,

　　比較級用在：than ，

　　a little + ，

　　much + ,

　　最高級用在：

　　of all, of the three, in his class, in the world等表示有范圍的短語中，

　　one of + 最高級 + 可數(shù)名詞的復數(shù)

　　34.

　　以so 引導的倒裝句：表示-----也一樣，也如此，前后主語要不一致，要通過be動詞、助動詞、情態(tài)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 ----

　　連接兩個主語，謂語動詞采用就近原則;

　　Either of ----或 Neither of ------謂語動詞用單數(shù);

　　Both of

　　------或 both

　　---- and -----謂語動詞用復數(shù)

　　Both of them are Chinese.

　　Neither of them is Australian.

　　Neither Jim nor I am American.

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