一. 教学内容： unit 10 part 2 1. 现在完成时里already, yet 的用法 2. 现在完成时延续性动词及非延续性动词的使用3. 重点词组 二. 具体内容：i. yet和already都是副词，意思是“已经”.常与现在完成时连用。already 用于肯定句。e.g. i have already finished my homework. i have already done it twice.yet 常用于否定句和疑问句中，通常放在句尾。e.g. i haven’t finished my homework yet. the meeting will be held in half an hour, but they haven’t got everything ready yet. ii. 现在完成时应注意的几点。 1. 现在完成时句中常见的时间状语a. 表示从过去一直持续到现在，不能是具体的过去时间for + 表示一段时间的词语since + 表示过去时间点的词语since +表示过去的时间状语从句eg. i have been a teacher ______ a year.he has been at this school _______ 1992.we have learned 1,000 english words _______ we came to this school.b. just, already, yet, before/ ever, never有此类副词时，常强调动作完成，不强调动作的持续.eg. have you _____been to japan?i
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Unit 10 I’m going to be a basketball player.学案