1、Unit 10 I ’ve had this bike for three years.Section A 1. I’ve had it for three years. 我拥有它三年了。 【解析】for +一段时间 表示动作持续一段时间,用于现在完成时 【练笔】1） She_____ her hometown for many years. No one nearly knows her. A. has been away from B. has left C. had left 2.keep （k
2、ept kept）保留 用法归纳如下： 一、用作系动词，意为“保持（某种状态）”，其后常接形容词作表语。 Please keep quiet / silent! 请保持安静！二、用作实义动词， ⑴. 保管；保存；保留 Please keep these things for me while I am away. ⑵. 赡养；饲养 I used to keep sheep in my childhood. ⑶ 坚持；继续 接V-ing 形式作宾语。 If you keep practicing your sp
3、oken English, you'll soon make great progress. ⑷ 阻止；阻碍 keep sb/sth from doing sth 其中介词 from 不能省略。 The heavy rain didn't keep them from watching the football match. ⑸ 保持。 其后常接复合宾语，表示使（某人或某物）保持某种状态或使某一动作继续。 ① keep + sb/sth + 介词。 If your hands are cold, keep them i
4、n your pockets. ② keep + sb/sth + 形容词。 These gloves will keep your hands warm. ③ keep + sb/sth + V-ing ，“让某人 / 某物一直„„”，强调动作的持续性。 I'm sorry I've kept you waiting. 很抱歉，让你久等了。 【短语】 keep a record 保持记录， keep in touch (with)保持与„„的联系 keep out (of) 把„„关在外面，
5、keep up 保持；使„„不能入睡 keep one's / an eye on密切注视 keep away (from) 离开keep in mind 牢记 keep one's word 遵守诺言 4. in need 需要；需求 in danger 在危险中 in trouble在困境中 in silence 在沉默中 in good health 在好的健康状态中 5. 【解析】no more not … anymore/ no longer not... any longer不再
6、 no longer =not… any longer 强调时间或动作“不再延续” , 与延续性动词连用no more = not … any more 强调数量和程度“不再增加” , 与非延续性动词连用 位置区别： 当修饰动词时，no longer通常置于be或行为动词前； no more一般置于行为动词后。 not... any longer与not... any more常置于句末。 He can no longer walk. = He can’t walk any longerThe little girl no more c
7、ried. = The little girl didn’t cry any more. ( ) It is late. We can not wait him _____. A. any more B. no more C. more 6.Since +从句（一般过去时），主句用现在完成时 【辨析】since 与for 在现在完成时态中的用法：1） since 其后接时间点或时态为一般过去时 的句子，表示某事是从什么时候开始的 I’ve been a soldier since two years ag
8、o 2）for 其后接时间段， 表示某事持续了多长时间 I’ve been a soldier for two years. My gr
