1、九年級英語第二單元知識點總結1. mix sth together 或者 mix sth and sth together 把。混合在一起，有時可省略together. Mixed 做adj 意為混合的，混雜的。名詞為mixture ,意為，混合體，混合物。2. 情態動詞的推測。A,can 用來推測時，只用于疑問句或者否定句That man can't be Mr Li.He has gone to Beijing with his wife.Would 表推測時，只用于肯定句。指主觀上認為不是很正確的可能性。I think that it would take you much ti

2、me.Must 表推測時用于肯定句，意為一定，肯定。Must be 表示對現在情況的推測。Must have done 表示對過去情況的推測。3. at the same time 意為同時。還可表示但，然而。That is a difficult problem ,at the same time ,it very interesting.4. living 的用法。Living做形容詞，意思是活著的，有生命的，可以指人，也可指物。強調說明尚在人間。建在。另外，living還有充滿生氣的，活生生的在句中作表語或定語作表語與alive的意思相同。I think the old man is s

3、till living.(作表語)This is a living tiger. (指物，作定語)Alive 與live 的區別Alive 做形容詞，意為活著的。常用作表語形容詞，或作后置定語?；蛸e語補足語。一般用來指人，也可指物。Who is the greatest man alive (=living man) 后置定語。We found the patient alive.(賓補)Live 意思是與生命的，活著的，一般用于修飾動物，在句中一般用作定語。The cat was playing with a live mouse.Jin yong is one of the greates

4、t and oldest living writer .he is still living .5. what if 的用法。What if.?意思是 如果.將會怎樣？What if it rains tomorrow?>6. do with 意為“采取.措施，處理?！?what .do with.“如何（怎樣）處理.”what did you do with the library book?Deal with 也表示處理，應付，但所搭配的疑問詞不同，deal with 在疑問句中與how 搭配，而do with 與what搭配。What will you do with the le

5、tters?=how will you deal with the letters?7. use sth to do sth 意為“用.來做.”,相當于use sth for doing sth.被動語態中be used to do sth,be used for doing sth.We use pens to write.We use clothes to keep /for keeping warm.=clothes are used to keep /for keeping warm.We use pens to write.We use clothes to keep/for kee

6、ping warm.=clothes are used to keep/for keeping warm.Be used as 表示.把.用作.as是介詞，意為作為。The stick is used as a ruler.Be used by 被.使用，介詞by 后接動作的執行者.English is used by travelers and business people .Used to do sth 過去經常干某事。Be used to doing sth 習慣于干某事8. either also too 的區別Either 一般用在否定句中。，而且放在句尾。Also用在肯定句，位于

7、be 動詞，助動詞或情態動詞后實一動詞前，too用于肯定句。9. identical 的用法它的反義詞為different .他經常用在下列結構中。Be identical to/with .和.完全一樣Be identical in .在某方面相同。Her hat is almost identical to/with mine.My opinion is identical with his The two shirts are identical in size and colour.考例：1.the sister were identical _appearance and chara

8、cter.2. my advice is identical _yours.3. Her pen is almost identical _kate's10. expect for 的用法。(1)Except for 意為除.之外,用于表示對主要部分的肯定和對局部的否定，不表示同類事物之間的關系。用于敘述整個情況之后，在細節上加以修正，補充，有惋惜美中不足之意。Mr smith is a good， man,expect for his bad temper.The movie was good expect for the ending.(2) .expect for +n=expe

9、ct +that All are here expect for the absence of Tina.=all are here expect that tina is absent.Besides 除.之外還有.指包含本身在內，有肯定和附加的意思。besides 作介詞后接名詞，代詞，動名詞 但不接從句。We all went besides him.（3） expect 和expect的用法區別。Expect 的前后 必須要有一對相對稱的同類詞語。Expect for 一般用于前后沒有對稱詞語的場合。He had considered everything expect the .(e

10、verything 與weather是一組對稱詞語)The retired worker waters his garden every day on rain days.(4) .but 和 expect可換用但but 多余no one ,nobody nothing all everyone everything 等詞連用。They are all wrong but me.There is nothing but a card in the box.11. the same +n+as 與.相同后接名詞代詞，或從句，如主句為一般將來時，從句用一般現在是。He has the same f

11、ruit as you.The same +n+as 表示與.一樣，有時可與as+adj+as互換。His coat is the same size as mine.His coat is as big as mine.12. not only.but also 的用法。它的意思為不但，而且主要用于連接兩個并列成分（主語，謂語，賓語，表語或狀語）但連接主語時，句中的謂語必須和靠近的那個主語在人稱和數上保持一致。Not only you but also jack has been to hangzhou .Not only Tom but also I am an engineer.Tom

12、can not only sing,but also dance.I saw not only Tom but also Jack in the park.Not only .but also.還可連接兩個分句，但第一個分句的主語和謂語要到裝。Not only can he speak English , but also he can speak Spanish.Not only did the teachers take part in the English evening party,but also they sang songs at the party.13.So +助動詞/情態

13、動詞/系動詞+主語 此句型是主謂倒裝結構，表示前面所屬的肯定情況也適合于另一主語，其中so作也這樣也如此，此事要注意so后的助動詞；系動詞或情態動詞須同前一句的謂語動詞保持一致。He is an actor,so is his brother.Jim went to the beach,so did his parents.She can play the piano,so can I.so的這種用法只能用于肯定句，否定句中要改為neither 或nor 結構為neither/nor +助動詞/BE動詞或情態動詞+另一主語，表示該主語的否定情況也和前句一樣不，時態也和前句保持一致 He doe

14、sn't like eating apples,neither do I .Tom couldn't read ,nor could Jack.I have never been to Beijing ,neither /nor has my brother.14. what if .?是what will happen if .?的縮寫形式，意為如果.將會怎用陳述語序。What if he comes from tomorrow?What if she doesn't come?What if 還可以用來提出建議和邀請，或征求對方意見。相當于shall we.?或wh

15、at about.?意為如果.怎么樣？What if we have a picnic next week?15. exactly -adv恰恰，Exact -adj 確切的16. for example 與such as For example 以為例如可與for instance 互換，舉例說明同類人或事物，后面常跟句子并且在句中作插入語，可置于句中，句首或句后。He studies French very well.for example ,he could write articles in French for a newspaper.Such as 用來列舉同類人或事物中的幾個例子

16、。其后接名詞，動詞不定時，或介詞短語。，所連接部分一般做同位語，其進一步說明名詞的作用。Jim likes ball games,such as football and volleyball.17. change 的用法Change sth into .把.變成.Chang sth for.把.換成She took the dress back to the shop and change it for another.The next morning ,the water had changed into ice.Change 還可以作名詞，意為變化，改變 變換Great changes

17、have taken place in our city.Please give him some change.18. divide 的用法。Divide 作動詞意為分開 分割指把一個整體分成若干部分多于into 連用。I will divide the class into four parts.Separate 也可以表示把.分開指把相鄰或者相近的人或物分開，常與from 連用，二divide 表示把一個整體分成幾個部分。長于介詞into連用。The river separates this village from that one.We can divide the class in

18、to four groups.19. wear put on have on dress 與be in 的區別put on 表示穿上戴上，表示穿的動作，賓語如果為代詞，放在中間。It is cold outside .put on more clothes.Have on 意為穿著之狀態，不用于進行時，賓語是代詞，只能放在on前。He had nothing=he had no clothes on.Be in 表示穿的狀態，后面常接表示顏色和衣服的詞。Is your son in a blue jacket?Dress b表示穿衣，賓語一般是表示人的名詞，而不是表示衣服的名詞。Will yo

19、u dress the children?20. damage 與hurt 的區別。Damage 意為損壞，損害，常指對房屋莊稼車輛等造成用途，表面及價值等的損失。一般指自然災害，或人為造成。The storm damaged a lot of houses.Hurt 指傷害肉體和精神上的傷害He was deeply hurt by my words.21. else 的用法。Else為形容詞，別的其他的，常與sb sth anybody I don't know anything else.Do you want to see anybody else?Else 還用在who wh

20、at where how when why 等疑問代詞或疑問副詞后What else did she tell you?Who else is coming?Else 于 other 的區別，other是形容詞，用于名詞的前面，else作副詞或形容詞用時，常修飾不定代詞或疑問詞What else would you like ?=what other things would you like?22.imagine的用法，意思：想象, 猜想, 推測, 認為, 相信其后可接賓語從句，名詞或動名詞（1）例子：You can imagine the situation there. 你可以想象那里的

21、情況。（2）imagine引導從句：He imagines that people don't believe him. 他總是認為人們不信任他。I can't imagine what has happened. 我想像不出發生了什么事。（3）固定用法：imagine one's doing例子：I can't imagine his eating up the bread.我不能相信他把面包吃光了。I can't imagine his being late for school.我不能相信他上學遲到。記住，沒有imagine to do這種形式。

22、Imagine 與think suppose ,believe expect等詞一樣，在主從復合句中，如果主句的主語是第一人稱，that引導的賓語從句如還有否定的意思，通常要否定前移，但翻譯成漢語時，任然翻譯到從句。23. rest 做名詞，意為其余，剩下，the rest of 意為其余的，剩余的，the rest 作主語時，其后接of 短語時，謂語動詞的單復數取決于of 后接的名詞的單復數，the rest 作主語時，謂語動詞依據它所指代的名詞而定。You can take the rest of fruit away.The rest of the books were taken to

23、 the library.Those are mine,the rest are yours.24. find vt.找到, 發現, 感到, 查明, 得到, -用在句子中強調的是找的過程 例如To come upon after a search:找到：通過尋找遇到：find out 強調尋找后的結果To ascertain (something), as through examination or inquiry:查明：如通過觀察或詢問查明（某事）：I found out the phone number by looking it up. If you're not sure,

24、find out.通過查找我查到了電話號碼。如果你不肯定，查一查Most embezzlers are found out in the end.大多數貪污犯最后都被查出并逮捕歸案25.think既可以作及物動詞也可作不及物動詞。納如：Think before you act先思而后行。The teacher told me to try to think in English當think用作及物動詞時，其后習慣搭配主要有如下幾種句式結構：1think+從句I think（that） it is a good thing我想這是件好事。2think+名詞或代詞I'll think the matter over這事我得仔細考慮。3think+名詞或代詞+名詞或形容詞（賓補）He thinks himself very cleverThe doctor think that is a good thing醫生認為這是好兆頭。4thinkit（形式賓語）+形容詞或名詞（賓補）+不定式動名詞從句（直接賓語）I don't think it possible to master a foreign language without much memoryworkI think it no use writing to him我認為給他寫信沒用。5think后的否定