Unit 1 Living well Period 2　Learning about Language Using Language 课件（人教新课标选修7，课标通用）.ppt

(3)表示“义务”、“应该”。(意思接近于should, must, ought to, have to) No one is to leave the building. 谁也不得离开这楼房。 (4)表示可能性，相当于can, may Such books are to be found in the library. 这样的书在图书馆里就能找到。 (5)表示目的或用途 Money is to consume. 钱是用来消费的。 (6)用于“if...were to do”，表示虚拟语气。 If it were to rain tomorrow, the sports meeting would be put off.如果明天下雨，运动会就会延期。 【比较网站】 be to do/be about to do/be going to do (1)be to do 注定会，一定，也可表示职责、义务、意图、约定、可能性、计划或安排。 (2)be about to do 马上要做某事，通常不与时间状语连用，但可用于be about to do sth when句型，意为“正要做某事这时……”。 (3)be going to do 表示打算、想法或某种倾向，也可指很可能发生的事或自然现象。用于非正式文体。 I was about to go out when someone knocked at the door. 我正要出去，这时有人敲门。 Were going to spend our holidays in Wales this year. 今年我们打算到威尔士度假。 Im going to be twenty next month. 下个月我就二十岁了。 Look at those black clouds, there is going to be a storm. 瞧那些乌云，暴风雨就要来了。 【翻译句子】 ①A knife is to cut with. ________________________________________________ ②You are to do your homework before you watch TV. ________________________________________________ ③You are not to smoke in this room.＝You are not supposed to smoke in this room. ________________________________________________ 刀子是用来切东西的。 你得做完了作业才能看电视。 这个房间里不许抽烟。 ④He was never to see his wife and family again. ________________________________________________ ⑤Their daughter is to get married soon. ________________________________________________ ⑥They said goodbye, little knowing that they were never to meet again. ________________________________________________ 她可能再也看不到妻子和家人了。 他们的女儿很快就要嫁人了。 他们告了别，不知道以后再也不会见面了。 This would allow hearing-impaired customers to enjoy the company of their hearing friends rather than having to sit in a special area。这样可以允许有听力障碍的观众能够和他们听力正常的朋友在一起欣赏，而不是让他们坐在一个特定的区域里。 rather than 而不是，非，相当于and not，用来连接前后两个平行结构。如代词、名词、形容词、动名词、介词短语、动词不定式、并列谓语动词、并列分句等。 3． (1) 连接两个名词或代词 He is an explorer rather than a sailor. 与其说他是一个海员，不如说他是一个探险者。 You rather than I are going to go camping. 是你而不是我要去要野营。 【温馨提示】 rather than 连接两个名词或代词作主语时，谓