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1、初二 （ 八年级 ） 下册英语第五单元知识点初二（ 八年级 ）下册英语第五单元知识点 初二（ 八年级）下册英语第五单元知识 点主要是依据初二 （八年级 ） 下册英语教材，从引导条件状语从句等重要的知识点、 基础训练总结了初二 （ 八年级）下册英语第五单元知识点，适合初二学生学习英语、 中考考生备考英语。知识点:1.lf引导的条件状语从句：1）构成:if引导的条件状语从句表示“如果,”。构 成形式为“主句 +一般将来时时态 +if 从句+一般现在时态”，或“ If 从句+一般现 在时态，主句 +一般将来时态”。 2） 用法 : 表示假设或条件2. half 与 half of 的用法: 1 ）h
2、alf the class 中的“ half ”为形容词，意思“一半的，半个的” 2）“ half of+ 代词 /the+ 名词”中的 half 为名词，意思为“一半，半个”。当该结构在句子作主语时，谓语动词必须和该词组中的代词或名词保持数的一致。即当代词或名词为单数时，谓语动词用第三人称单数形式 ; 若所 接名词或代词为复数，则谓语动词用复数形式。3. all the time 与 always: all the time 是个副词性的短语，意思为“一直”“始终”，表示某一特定阶段开始一直到结束，不表示频度，多置于句末。除 此，all the time 还有“不断”的意思；always为表
3、示频度的副词，意思为“总 是”，表示动作的反复，状态的继续，中间没有间断，其反义词为n ever。它与进行时态连用时，常翻译成“总是”，“老是”，带有赞美，厌烦，不满等感情色彩。4. Enough的用法:1）enough to do sth 表示“足够,可以做,” 2）enough也可以 用“fo叶宾语+to do sth 的结构” 3）enough修饰名词时前面不用冠词4）当主语是 代词时，enough可以作表语。当主语是名词时，enough不能做表语。5. Choose 的用法 :1)choose+ 名词 意思为“选择 , ”;2)choose+between/from 从, 中选择 ;3
4、)choose to do 选择做某事6. Exercise 的用法 :1) 运动，锻炼，是不可数名词 2) 体操，练习，是可数名 词。 3)动词，使 ,. 运动7. wear, put on, have on, dress: wear“穿着”“戴着”，表示状态，是延续性动词，一般现在时表示经常状态，现在进行时表示暂时状态 ;put on “穿 上”“戴上”，表示动作，是非延续性动词 ;have on “穿着”“戴着”，表示状态 可以与 wear 互换 ;dress “穿上”“穿着”，既表示状态，也表示动作，既可以作 及物动词，也可以作不及物动词。 Dress 作及物动词，表示“给自己或别人穿
5、 ( 衣服) ”，宾语是人，常用被动语态。 dress oneself 给。穿衣服。 dress up 化装8. a lot, a lot of 与 lots of 三者都有“许多，很多”的意思。 a lot of, lots of 一般用于肯定句，后接可数名词复数或不可数名词 ;a lot 作名词时 =a lot of thins, 作副词，修饰动词或形容词，副词比较级。基础达标?. 仔细阅读对话，选择恰当的答语。1. If I see him again, I (tell) him what you said.2. What (happen) if they dont agree with
6、 each other?3. If you give me time, I (find) the solution.4. What will he say if he ever (discover) the truth?5. If the train (be) on time, it will be here in ten minutes.?. 连接句子( ) 1. , get a speeding ticket.( ) 2. ,have to leave the room.( ) 3. ,look like a rock star.( ) 4. ,feel sorry.( ) 5. ,pas
7、s the examination.(a) If your dad drives too fast, hell,(b) If you dont come to the party today, you ll,(c) When you study hard, you can,(d) If you chew gum in class, youll,(e) When you dye your hair green, you,?. 用括号内所给动词的正确时态填空。1. I m afrai d I (get) a cold tomorrow.2. There (be) a film tomorrow m
8、orning.3. Look! The children (swim) in the river.4. - What time she (leave) home everyday?- At 8 o clock.5. We hear he (return) next month.能力提升?. 单项选择1. I to bed until my granny came back home.A. didn t B. went C. had gone D. have gone2. I ll let you know as soon as he back.A. comes B. will come C.
9、is coming D. come3. We will have a sports meeting if it rain tomorrow.A. won t B. isn t C. don t D. doesn t4. You are sure to pass the exam you study hard.A. if B. though C. that D. because5. Betty didn t go to see the film yesterday she was ill.A. because B. but C. until D .if6. My brother is young
10、er than I. But he is not so tall I.A. to B. than C. as D. that7. Li Ming didn t know anything about it I told him.A. after B. until C. if D. because8. The old man was w eak he couldn t get on the train.A. so, that B. very, that C. too, as D. too, to9. He is rich, he isnt happy.A. or B. so C. and D.
11、but10. We wont go to the Great Wall if it the day aftertomorrow.A. won t rain B. is raining C. rains D. doesnt rain11. I will give the message to him he comes back.A. before B. since C. as soon as D. until12. He is listening to the music he is washing clothes.A. after B. before C. that D. while13. I
12、 ll write tohim .A. as soon as possible B. as soon as he canC. as quick as possible D. as quick as I can14. I will a message on his desk.A. put B. give C. leave D. take15. I was tired, so I went to bed early.A. a little B. a bit C. much D. too?. 完形填空When a friend was visiting David, it began 1_. So
13、David toldhim2that night. “You may stay here3the night, ” hesaid. “OK,”answered his friend.But4minutes5, the friend went out. He didnttell Davidwhere6going nor（也没有）did he ask for an umbrella.When David was about7, his friend8. He was allwet through.“Where9_you9”? asked David.“I have been10, ”answere
14、d the friend,“to tell mymother that Ill not go home tonight because of the rain.”1. A. raining B. to rain C. rain D. rains2. A. to go not home B. dont to go homeC. not to go home D. doesnt to go home3. A. for B. to C. of D. up4. A. few B. little C. a little D. a few5. A. late B. after C. lately D. l
15、ater6. A. is he B. was he C. he is D. he was7. A. to go to sleep B. to go to bedC. going to bed D. go to bed8. A. returned B. returns C. to return D. returning9. A. have,gone B. have,been toC. has,gone D. have,be en10. A. to home B. home to C. home D. homed?. 阅读理解AIt was Jimmys birthday, and he was five years old. He got a lot of nice birthday presents from his family, and one of them was a beautiful drum（鼓）.Who gave him that thing? Jimmys father said
