高中英语Unit esson 2 Artificial Intelligence 课件北师大版选修7 课件VIP专享VIP免费

Lesson 2 Artificial Intelligence Unit 20 New Frontier GrammarThe future 1.review Future Tense( 复习一般将来时 ) 构成 : 助动词 shall 或 will+ 动词原形构成 .第一人称用 shall 或 will, 其它人称用 will.Eg: He will be back in a few days. Shall I go with you? 用法：表示将来发生的动作或存在的状态，常与表将来的时间状语连用 其它形式： be going to+ 动词原形：打算，计划，准备做某事 be to+ 动词原形：指安排好的事 be about to+ 动词原形：指即将发生的事 一般现在时和现在进行时也可表示将来的动作 2.Future perfect( 将来完成时 ) 构成 :shall/will have+ 动词的过去分词 用法 : 表示动作或状态延续到将来某一时间 . 常用延续性动词 , 并有一个表示将来某一时间的状语或状语从句 .Eg: He will have been in the army for 10 years by next June. We shall have walked a long way before we reach the village. 表示动作或状态在将来某一时间以前已经结束 , 但其影响却延续到那一时间 .Eg: I shall have finished my homework by ten o’clock. When the old man comes next week, his son will have left for Shanghai. 3.Future continuous( 将来进行时 ) 构成 :shall/will be+ 现在分词 用法 : 表示在将来某一时刻或某一段时间正在进行的动作 , 常常带有时间状语短语或时间状语从句 .Eg: I will be busy this evening. I will be writing an article. 表示按计划将来要发生的动作 .Eg: I hope you will be coming on time. They will be having their holiday in June. 4.Do exercise 8 in page 21Complete the sentences using the Present Perfect1.I’ll help you as soon as I 2.She can’t buy a computer until she 3.You can leave the exam room only after you 4.I’ll phone you when I 5.We’ll let you know as soon as 6.Your telephone line will start working only after 5.Do exercise 2 in page 66Put the verbs in brackets into the Future Perfect1.By Christmas they (sell)over five million greetings cards2.By this summer the city...