（2019新教材）外研版高中英语必修二Unit4语法练习课件ppt.ppt

1、1.Tom is the first student _(support) the plan. 2.Id like to have a chance _(watch) his live performance. 3.Tom took a taxi to the airport, only_(find) his plane high up in the sky. 4.The TV series has been on these days,_(appeal) to a lot of audience. 5._(appoint) as chairman, Tony held a family ge

2、t-together to celebrate it. to support to watch to find appealing Having been appointed /Appointed 课前导学 1. 不定式做定语不定式做定语 (1)不定式做定语表将来。不定式做定语表将来。 The student _(present）his new ideas in five minutes is my new roommate. The car _ (buy) next week is for my sister. There is a meeting _ (hold) this afterno

3、on. (2)用来修饰被序数词、最高级或用来修饰被序数词、最高级或no, all, any等限定等限定 的中心词，且与中心词是逻辑上的主动关系。的中心词，且与中心词是逻辑上的主动关系。 He was the best man _ (do) the job. She was the first woman _ (win) the gold medal in the Olympic Games. (3)作定语的不定式如果是不及物动词，或者不定式作定语的不定式如果是不及物动词，或者不定式 所修饰的中心词是不定式动作的地点、工具等，所修饰的中心词是不定式动作的地点、工具等， 不定式后面须有相应的介词。

4、不定式后面须有相应的介词。 The Browns have a comfortable house to live _. to be bought to be held to do to win in to present 课中提升 (4)常跟不定式作定语的名词有：常跟不定式作定语的名词有： promise, plan, attempt, offer, decision, refusal, failure, ability, chance, opportunity, warning, aim, wish, goal, purpose, dream, choice, ,right(权利权利)等。

5、等。 The ability _(express) an idea is as important as the idea itself. (5)比较：比较： I have a lot of work to do.(_做做) I have a lot of work to be done. （_做）做） You are wandering in the store. Do you have anything _(buy)? I want to go to Beijing. Do you have anything _(buy)? to express 主语主语 别人别人 to buy to b

6、e bought 2. 不定式作状语不定式作状语 (1)作目的状语，常用结构为作目的状语，常用结构为to do , only to do（仅仅（仅仅 为了）为了）, in order to do,so as to do。 He ran fast so as to/in order to catch the first bus. = _ to catch the first bus, he ran fast. I come here only to say good-bye to you. Group activities will be organized after class _ (hel

7、p) children develop team spirit. In order to help 不定式作目的状语，放在句首要加逗号与句子隔不定式作目的状语，放在句首要加逗号与句子隔 开，放在句末不加逗号。开，放在句末不加逗号。 (2)作结果状语，常用结构作结果状语，常用结构soas to do, suchas to do, enough to do, tooto do, 以及以及only to do (表示意表示意 外的或事与愿违的结果外的或事与愿违的结果)。 Im not so stupid as _(write) it down, He is such a lovely boy as

8、_(love)by everyone. He is too excited _(speak). The boy is old enough _(dress) himself. He searched the room only _ (find) nothing. Tom took a taxi to the airport, only _ (tell） his plane high up in the sky. 但是：但是：Im only too glad to have passed the exam. (pleased, ready, willing, glad, happy等等) to

9、find to write to be loved to speak to be told to dress (3)作原因状语作原因状语, 形容词或表示情绪的过去分词作表形容词或表示情绪的过去分词作表 语时，后面可接不定式作原因状语，用以说明产语时，后面可接不定式作原因状语，用以说明产 生这种情绪的原因或所表示的情况等。用于这类生这种情绪的原因或所表示的情况等。用于这类 结构中的形容词或表示情绪的过去分词常见的有：结构中的形容词或表示情绪的过去分词常见的有： happy, lucky, glad, sorry, anxious, proud, disappointed, angry, surp

10、rised, ready, delighted, pleased, willing, clever, foolish等。等。 You will never know how happy I was _ (see) her yesterday. to see 4) “主语+系动词+表语（形容词）+ to do ” 结构中，当句子 主语与动词不定式有逻辑上的被动关系，且形容词表示主 语的特征或性质时，需用不定式的主动形式表示被动意义。 常用形容词有easy, hard, difficult, important, pleasant, nice, comfortable, safe, dangero

11、us等。 The book is difficult _(understand). 椅子坐起来很舒服。_ to understand The chair is comfortable to sit on. 3. 分词作状语分词作状语 (1)分词作状语，可以表示时间，原因，条件，让步，分词作状语，可以表示时间，原因，条件，让步， 方式、伴随和结果等。为了强调，还可与方式、伴随和结果等。为了强调，还可与while, when, once, if, unless, though, although等连词连等连词连 用。用。 Not receiving any letter from him, I g

12、ave him a call. _(give) more attention，the trees could have grown better. An earthquake hit this area, _ (cause) many deaths. (现在分词表示现在分词表示_的结果的结果) Given causing 自然自然 状语从句的省略状语从句的省略 当状语从句的主语和主句的当状语从句的主语和主句的主语一致主语一致或从句主语是或从句主语是it且且 be动词时动词时，可以省略状语从句的，可以省略状语从句的主语和主语和be动词动词。 1. 时间状语从句中的省略时间状语从句中的省略 (1)

13、 Dont speak until _(speak) to. (2) He often makes mistakes when _(speak) English. (3) She always sings while _(do) her work. (4) When _(offer) help, one often says “Thank you.” or “Its kind of you.” (5) The research is so designed that once _(begin), nothing can be done to change it. spoken speaking

14、 doing offered begun 2. 条件状语从句中的省略条件状语从句中的省略 (1) Generally speaking, if_(take) according to the directions, the drug has no side effect. (2) Every evening after dinner, if not _(tire) from work, I will spend some time walking my dog. (3) Unless _(repair), the machine is of no use. 3. 让步状语从句中的省略让步状语从

15、句中的省略 Though _(tell) many times, he still repeated the same mistake. taken tired repaired told 针对训练：针对训练： (1)If _ (give)the same treatment again, he is sure to get well. (2)When_(complete), the museum will be open to the public. (3)Once _ (抓住偷窃抓住偷窃)at the shop, youll be dismissed. (4)While _(study) in Canada, he made a lot of friends. (5)The boy fell asleep when _ (do) his homework. given completed caught stealing studying doing