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）① 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）② pull back 把…向后拉2. I haven’t seen Justin since. （P3） I haven ’ t been sleeping well since I returned home. （P3）① since 自从…以来；可用作副词、介词、连词，与完成时态连用。They left town and haven’t been here (ever) since. (adv.)他们离开了镇子，从那以后再也没有来过这儿。 They have been friends since childhood. (prep.) 他们从幼时起一直是好朋友。 He hasn't been home since he graduated. (conj.)他毕业后没回过家。【注意】since 引导的时间状语从句中，谓语是延续性动词或状态动词时，意思是 “自从某动作不发生以来，或自从某状态不存在以来” 已经多长时间了。例如：It is two weeks since she was ill. 她已经病愈两周了。My hometown has changed greatly since I lived there.自从我不住在家乡以来，家乡已经发生了很大的变化。② have / has + been doing 是现在完成进行时，表示动作从过去某时开始，一直延续到现在。可能已经结束，也可能仍然进行着，甚至还可能继续延续下去。I have been waiting for an hour but she still hasn’t come.I have been watering in the garden.3. The aliens took me away so that they could do research on me. （P3）① do research on sth 对…进行研究② so that = in order that “以便”，引导目的状语从句，从句中往往有情态动词。I stopped so that you could catch up. 我停下来以便你能赶上。【拓展】① so that“所以，因此”，引导结果状语从句，从句中一般不用情态动词。He...
