1、Don't be... 别；不要…… 这是我们本章第一个句型的否定形式，是第二个句型的一个特别形式，熟练掌握这三个句型，祈使句的大部分问题就解决了。 （1）Don't be lazy! 别偷懒！（2）Don’t be foolish! 别傻了! （3）Don't be childish! 不要耍小孩子脾气！ （4）A: Do you think these white socks look OK with my black sandals and red pants? B: Don’t be such a nerd! When are you going to learn how to dress yourself properly? A: 你认为这些白袜子跟黑凉鞋和红裤子搭配起来很不错吗？ B: 别这么恶心！你到底要什么时候才会学会穿着得体呀？ 2、（1）汤姆夹在简和玛丽之间坐了下来。Tom sat down, sandwiched by Jean and Mary.（2）这台机器需要修理。This machine needs fixing.（3）悲伤再次在内心涌起。Sadness welled up in my heart once again.（4）月光从一扇窗户倾泻而入。Moonbeams streamed in through a window.（5）他们互相看了一眼。They exchanged a glance.（6）他们向我逼过来。The closed in on me.（7）我没有发现问题的要点。I missed the point of the issue.（8）一团黑色的烟雾飘向天空。A plume of smoke rose to the sky.（9）乞丐伸出沾满泥的手乞求给一个硬币。The beggar held out his mud-caked hand for a coin.（10）他偷偷看了几眼手表。He stole several glances at his watch.