2012高中英语 Unit20（3）学案 北师大版选修7VIP专享

Unit 20 New Frontiers 导学案（3）Grammar —— The FutureTips：A friend is easier lost than found.Learning aims:1. Review the words and phrases.（B 级）2. Learn the Grammar ——— The Future（C 级）Learning important and difficult point:1. Keep the structure of the Future in mind.2. How use the Future.Learning procedures:Step I Revison (A 级)A 听写单词 B 听写短语 Step II Grammar —— The Future (将来时)一、一般将来时（B 级）回顾表示将要发生的动作或状态。其表达形式有：1. “will/shall + 动词原形”He will go abroad next year.2. “be going to + 动词原形”, 表示主语现在打算在最近或以后做什么，这种打算往往是事先考虑好的。还可用于表示根据已有的迹象，非常可能要发生的事。What are you going to be when you grow up?It’s going to rain, I think.3. “be + (about) + 不定式”，表示按计划、安排、吩咐等要做某事。The train is about to leave.4. 现在进行时和一般现在时表示一般将来时的动词主要有 come, go, leave, start, arrive, return 等，表示计划、安排。The train leaves/ is leaving in five minutes.5. 在条件状语从句和时间状语从句中，常用一般现在时代替一般将来时。We’ll not go for a picnic if it rains.We’ll go to Beijing when we have a day off tomorrow.二、Future Continuous 将来进行时(C 级)表示在将来某一时间正在进行的动作、持续的状态。经常与 soon, tomorrow, this evening, on Sunday, by this time, in two days, tomorrow evening 等时间状语连用。表达形式是：（shall）will be doingeg: What will you be doing at this time next Monday?I’ll be working all evening so I won’t be able to see you.三、Future Perfect 将来完成时（C 级）表示在将来某个特定的时间之前完成的活动。经常与 before + 将来时间或 by + 将来时间连用，也可与 before, by the end 或 by the time 等引导的现在时的从句连用。表用心 爱心 专心1达形式是：（shall）will + have doneeg: By the end of the century, we will have discovered other pl...