Unit4-Unit6 语法专项学案--人教版八年级下册英语.docx

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1、八年级下册U4-U6 语法专项【Unit 4】Why dont you talk to your parents? 考点1 常用表达建议的句子n Why not do sth.?=Why dont you do sth.? “你为什么不做某事呢？”n What/How about doing sth.?“做某事怎么样？”n Lets do sth. “让我们做某事吧。” 考点2 用情态动词could, should来提出建议n could，should都可用来提出建议，但could语气更委婉、客气。should意为“应该/应当”，could意为“可以/可能”。n 当征求别人的意见时，常用sho

2、uld。 考点3 although，so that，until的用法n although 意为“尽管/虽然”, 常可与though互换使用，如在句尾多使用though， 引导让步状语从句。u 注意：although或though不可but共同使用在同一个句子中。如果要强调前后两部分的对比, 可在主句前加 yet 或 still。n so that意为 “为了./以便.”，引导目的状语从句，从句中通常含情态动词can, may, might等。 【拓展】so that引导的目的状语从句可与in order that或in order to互换使用。n until在肯定句中，动词需使用延续性动词，

3、表示“直到为止”，即主句中的动作一直持续发生到until后的动作发生为止; until在否定句中，使用短暂性动词, 意为“直到才”【专项练习】一、用although, until或so that填空。1.We wont begin our experiment _ everyone reaches.2. _ he is only 6, he can look after himself well.3.Mary,what are the benefits of the music players?They are smaller and lighter _ they can be carried

4、 everywhere. 4.My sister and I look different _ we are twins.5.The teacher asked Li Ming to read aloud _ each student could hear clearly.二、单项选择。（ ）6.How about seeing a movie with me this weekend?_. Lets go. A.Good idea B.Thats OK C.Not at all D.Why not （ ）7._ he is 80 years old, he looks quite young

5、.A.But B.Though C.So D.Because （ ）8.What would some students like to do after education?They always start work _ they neednt depend on their parents completely.A.as soon asB.so thatC.beforeD.while（ ）9.At the meeting, the people kept discussing about the problem _ they got a solution. A.after B.when

6、C.until D.since （ ）10.I waited _ they the rain stopped. A.until B.if C.becauseD.so that【Unit 5】What were you doing when the rainstorm came? 考点1：过去进行时n 定义：过去某一时刻或某一段时间内正在进行的动作。n 构成：was/were+现在分词n 句型结构：u 肯定句: 主语+was/were+doing+其他.u 否定句: 主语+was/were+not+doing十其他.u 一般疑问句: Was/Were+主语+doing+其他?l 回答:Yes,

7、主语+was/were; No, 主语+wasnt/ werent.u 时间状语: at that time, this time yesterday, at the time of., when+过去的时间状语从句, while sb. was/were doing.n 与一般过去时的区别: 过去进行时表示过去那个时间或那段时间正在发生的动作, 强调动作正在进行; 一般过去时表示过去发生的动作，重点在动作发生在过去。 考点2：when与while引导的时间状语从句n When引导的时间状语从句: 一个动作发生时，另一个动作也正在进行; 也可以某个动作正在发生时，另一动作发生了。e.g.: W

8、hen my mom came back, I was watching TV.当妈妈回来的时候，我正在看电视。(一个动作发生时，另一个动作正在进行)e.g.: When Lucy was taking the bus, she found a man lying on the ground. 当Lucy坐公交车的时候，她发现有一个人躺在地上。(正在进行某一动作时，另一动作发生了)n While引导的时间状语从句: 表示某个动作正在进行的同时, 另一动作也正在进行之中, 这时主从句都用进行时态; 也可表示某个动作正在进行时，另一动作发生了(该动作用一般过去时)。即：主句的动作发生在从句动作过程

9、中，因此从句中谓语需使用延续性动词。e.g.:While I was listening to the music, she was watching TV. 我在听音乐，她在看电视。(主从句动作同时发生)e.g.:While she was talking to me, her mom came in.当她和我说话的时候，她的妈妈走了进来。(主句动作发生在从句动作过程中）【专项练习】（ ）1.Tom _ computer games when I called him yesterday.A.plays B.is playing C.was playing D.will play （ ）2.

10、My mother _ the dishes in the kitchen when the rainstorm came.A.was washing B.is washing C.washes D.will wash （ ）3.Alan _ dinner with his friend from 6:30 to 7:30 yesterday evening.A.had B.was having C.has D.is having （ ）4.While we were watching TV, Linda _ with her dog.A.plays B.will play C.is play

11、ing D.was playing （ ）5.My sister was drawing a picture _ I was watching TV at that time.A.untilB.afterC.whileD.as soon as （ ）6.Judy took a photo of her friends while they _ with a snowman.A.was playingB.are playingC.have played D.were playing （ ）7._ we came back from school, Dannie was playing the v

12、iolin.A.WhenB.WhileC.UntilD.After（ ）8.Were you at home at this time yesterday evening?Yes, I _ at that time.A.take a showerB.took a showerC.was taking a showerD.am taking a shower（ ）9.Do you still remember _ at that time?A.what were you doing B.what are you doingC.what did you do D.what you were doi

13、ng（ ）10.My father was reading a newspaper while my mother _ dinner.A.is cooking B.cooks C.was cooking D.will cook【Unit 6】An old man tried to move the mountains. 考点：连词unless, as soon as, so/such.that.的用法n unless 连词，“如果不; 除非”，可转换为 if.not, 引导条件状语从句，也遵循 “主将从现”原则。u Well go fishing unless it rains tomorro

14、w.=Well go fishing if it doesnt rain tomorrow. 假如明天不下雨，我们就去钓鱼。u 【注意】如果 unless 引导的从句是否定句, 则 unless 不能用 if.not 互换。 n as soon as 的用法u as soon as 意为 “一就”, 引导时间状语从句，等于 “the minute that.” l 【注意】含 as soon as 的复合句也要遵循“主将从现”原则。n so/such.that.的用法u so/such.that. “如此以至于”，引导结果状语从句。其中 so修饰形容词或副词, such修饰名词, that后从

15、句为结果。l 【注意】名词前有much, many, few, little修饰表示程度时，此时用 so 而不用 such。u 区分so that与so.that.l “窍门”: “在一起”是 “目的”, “分开”是 “结果”。【专项练习】根据句意，用方框中所给单词或短语的适当形式填空。such.that, as soon as, unless, until, so.that,1._ Jack completed his task, he rush out of the room immediately.2.The meeting will continue _ it rains tomorr

16、ow.3.Its _ an interesting novel _ lots of people wants to read it.4.He has _ much money _ he can buy anything he wants.5._ Jim arrives in Beijing, he will give you a call.6.You cant improve your oral English _ you practice it every day from now on.7.Mom, when will we go on a picnic? We wont go _ the

17、 rain stops.8.You study _ hard_ you must get a good grade.Im glad to hear that. 9.We wont make it _ we keep on working. Yes, I think you are right.10._ it rains tomorrow, well go fishing.*答案*【Unit 4】1.until 2.Although 3.so that 4.although 5.so that 6.A 7.B 8.B 9.C 10.A【Unit 5】1.C 2.A 3.B 4.D 5.C 6.D 7.A 8.C 9.D 10.C【Unit 6】1.As soon as 2.unless 3.such, that 4.so, that 5.As soon as 6.unless 7.until 8.so, that 9.unless 10.Unless