精选优质文档-倾情为你奉上Unit 1 Tales of the unexplained (Module 2)【考点释析】1. I heard him put on his favorite CD. (P2) I pulled back the curtains and saw a large spaceship flying outside. (P3) to do和V-ing形式都可用在某些动词后作宾语补足语。区别:V-ing形式表示动作的情景,即动作正在进行,尚未完成,不是全过程。而动词不定式强调动作发生的全过程,并且动作已完成。这类动词常用的有hear,see,notice,watch,find,observe等。I saw him coming downstairs. 我看见他在下楼。(说明他下楼时的情景) I saw him come downstairs. 我看见他下楼了。(说明他下楼了这件事) pull back 把向后拉2. I havent seen Justin since. (P3) I h