北师大版高中语必修二第3讲Unit4Cyberspace语法篇.docxVIP

 PAGE \* MERGEFORMAT 8 Unit 4 Cyberspace 语法篇 __________________________________________________________________________________ __________________________________________________________________________________ 1、掌握will和be going to的用法区别。 2、掌握虚拟语气的基本用法。 will和be going to用法区别： will的用法（will是情态动词，后接动词原形。常表示依据直觉、知识、经验等做出的揣测）  = 1 \* GB3 ①will表将来存在的状态、将要发生的动作或将来的经常性、习惯性动作，常与时间状语next week, tomorrow等连用。 例：They will be doctors 5 years later. 五年后，他们将成为医生。 Each time he comes to the city on business, he will visit his English teacher. 每次来这个城市出差，他都会拜访他的英语老师。 I will go to Britain next week. 下星期我要去英国。  = 2 \* GB3 ②事物固有的属性、特征或发展的必然趋势。 例：It will become warm when spring comes. 当春天来临时，天气将变暖。 Fish will die without water. 鱼儿离开水会死。  = 3 \* GB3 ③说话时临时做出的决定。 —I hear Jim was injured in a car accident. He is in hospital now. 听说吉姆在一场交通事故中受伤了，现在在医院。 —Then I will go to see him. 那我这就去看他。  = 4 \* GB3 ④表示请求和邀请，常用于第二人称。 Will you come in and have a drink? 你愿意进来喝一杯吗？  = 5 \* GB3 ⑤说话者对未来作出语言和揣测。 You will be all right after taking this medicine. 吃过这药你就会好了。  = 6 \* GB3 ⑥可以表意愿、意图、自愿或坚持做某事。 He’ll take you home. You only have to ask. 他愿意送你回家，你只要跟他说一声就行。 be going to的用法（打算，将要…）  = 1 \* GB3 ①事先经过考虑或准备，打算最近或将来要做的事。 What are you going to be when you grow up? 等你长大，你想要成为什么？  = 2 \* GB3 ②根据现在的迹象，预计要发生的事。 The old man is so weak, he is going to die. 老人如此虚弱，他活不长了。 will与be going to表将来时的区别  = 1 \* GB3 ①be going to可用于表将来时的条件状语从句中，而will不行。 错误：If you will play basketball, you have to finish your homework first. 正确：If you are going to play basket, you have to finish your homework first.  = 2 \* GB3 ②will可以用在带有条件状语从句的主句中表将来，而be going to不行。 错误：If it is fine, we are going to go camping. 正确：If it is fine, we will go camping.  = 3 \* GB3 ③be going to表示近期、眼下就要发生的事情，will表示的将来时间则更远一些。 He is going to writhe a letter tonight. 他打算今晚写封信。 He will write a book one day. 他打算将来写本书。  = 4 \* GB3 ④will临时决定要做的事，be going to事先考虑要做的事。 —Why are you taking it out? 干嘛要把它拿出来？ —I’m going to wash it. 我想把它洗一