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初二英语下册基础知识点

时间:2021-12-03 17:00:23 英语 我要投稿

人教版初二英语下册基础知识点

  学好英语,就等于打开了世界的一扇窗户。初二的时候,正是巩固好初中英语知识的时期,这个时候是提高英语成绩的最佳时期。下面是百分网小编为大家整理的初二英语知识点归纳,希望对大家有用!

人教版初二英语下册基础知识点

  初二英语知识点

  【重点短语】

  1. work on doing sth. 致力于做某事

  2. as soon as ... 一……就…....

  3. once upon a time 从前

  4. continue to do sth. 继续做某事

  5. make sth. happen 使某事发生

  6.try to do sth. 努力做某事

  7. the journey to sp. ......之旅

  8. tell the/a story 讲故事

  9. put on 穿

  10. a little bit 有点儿

  11. keep doing sth. 坚持做某事

  12. give up 放弃

  13. instead of 代替;反而

  14. turn...into... 使......变成......

  15. get married 结婚

  16. the main character 主要人物;主人公

  17. at other times 在另外一些时候

  18. be able to 能;会

  19. come out (书、电影等)出版

  20. become interested in... 对……感兴趣

  21. walk to the other side 走到另一边去

  初二英语语法知识点

  宾语从句

  1.语序

  无论主句是陈述句还是疑问句,宾语从句都必须使用陈述语序,即“主句+连词+宾语从句(主语+谓语+……)”句式。根据连接词在从句中所担任的不同成分,可分为以下四种:

  (1)连接词+谓语。连接词在从句中作主语。常见的连接词有: who, what, which等。如:

  Could you tell me who knows the answer,please?你能告诉我谁知道答案吗?

  The small children don't know what is in their stockings.这些小孩子不知道袜子里有什么东西。

  I don't know which belongs to my father.

  (2)连接词+名词+谓语。连接词在从句中作主语的定语。常见的连接词有:whose, what, which, how many, how much等。如:

  He asked whose handwriting was the best in our class.他问我们班上谁的书法最好。

  The teacher asked us how many people there were in the room.老师问我们房间里有多少人。

  (3)连接词+主语+谓语。连接词在从句中作宾语、状语或表语。常见的连接词有:who(m), what, which, how many, how much, when, why, how, where, if /whether(在句中不充当任何成分)。如:

  He hasn't decided if he'll go on a trip to Wuxi.他还没决定是否去无锡旅行。

  Could you tell me what I should do with the money ?你能告诉我我如何处理这笔钱吗?

  (4)连接词+名词+主语+谓语。连接词在从句中作宾语或表语的定语。常见的连接词有:what, which, how many, how much, how等。如:

  Do you know which class he is in ?你知道他在哪个班吗?

  She asked me if I knew whose pen it was.她问我是否知道这是谁的'钢笔。

  2.连接词

  (1)当由陈述句充当宾语从句时,用that引导,that无词义,在口语或非正式文体中常省略。如:

  He said that he could finish his work before supper.他说他会在晚饭前完成工作。

  (2)当由一般疑问句充当宾语从句时,用if或whether引导,意为“是否”。如:

  I don't know if /whether he still lives here after so many years.

  但在下列情况下只能用whether:

  ①在具有选择意义,又有or或or not时,尤其是直接与or not连用时,往往用whether(if…or not也可以使用)。如:

  Let me know whether /if he will come or not.(=Let me know whethe or not he will come)

  I don't know whether/if he does any washing or not.(=I don't know whether or not he does any washing.)

  I wonder whether we stay or whether we go.

  ②在介词之后用whether。如:

  I'm interested in whether he likes English.我关心的是他是否喜欢英语。

  We're thinking about whether we can finish the work on time.

  I worry about whether I hurt her feelings.我担心是否伤了她的感情。

  ③在不定式前用whether。如:

  He hasn't decided whether to visit the old man.他尚未决定是否拜访那位老人。

  I don't know whether to go.我不知去否。

  He hasn't decided whether to go by bus or by train.他还未决定是乘公共汽车去还是坐火车去。

  ④whether置于句首时,不能换用if。如:

  Whether this is true or not, I can't say.这是否真的我说不上来。

  ⑤引导主语从句和表语从句时宜用whether。如:

  Whether she will come or not is still a question.她是否能来还是个问题。

  The question is whether we can catch the bus.问题是我们能否赶上公共汽车。

  ⑥ 若用if会引起歧义时,则用whether。如:

  Please let me know if you like the book.可理解为:a. Please let me know whether you like the book.请告诉我你是否喜欢这本书。B. If you like the book, please let me know.你如果喜欢这本书,请告诉我。

  (3)如果宾语从句原来是特殊疑问句,只需用原来的特殊疑问词引导。如:

  Could you tell me why you were late for the meeting this morning?

  初二英语知识重点

  一、现在分词的构成的注意要点

  1)动词以单个e 结尾去掉e, 加ing,如:

  love _loving

  argue _ arguing

  2)动词以 —ee结尾直接加ing,如:

  agree_ agreeing

  see _ seeing

  3)动词为单音节:以单一元音字母 + 单一辅音字母结尾辅音字母双写,再加ing,如:

  hit _ hitting

  run _running

  4)动词为双音节或者多音节:最后一个音节为重读音节,以单一元音字母 + 单一辅音字母结尾辅音字母双写,再加ing,如:

  begin__ beginning

  admit__ admitting

  5)以 y 结尾的动词直接加ing,如:

  carry __carrying

  enjoy__enjoying

  二、现在进行时态的肯定式、否定式、疑问式及简略回答。

  1)肯定式:be+v-ing

  She is singing in the next room.

  2)否定式:be+not+v-ing

  The students aren’t cleaning the room.

  3)一般问句:be动词提前。

  肯定答语Yes,主语+be。

  否定答语No,主语+be not。

  Are you playing the computer game? Yes, I am. /No, I am not.

  4)特殊问句:对谓语动词进行提问的:What+be +主语+doing+其他?

  What is the old man doing under the tree?

  对其他成份进行提问的,疑问词+一般疑问句?

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