新人教版八年级英语下册unit1知识点VIP免费

Unit 1 What’s the matter? 知识点总结一、基本知识点1. What ’s the matter (with you)? 怎么了？出什么事了？matter 的用法（1）名词：事情，问题 What ’s the matter? =what ’s wrong (with you)? =what’s the trouble 怎么啦？出什么事啦？（2）动词：有重大影响，有重要性如： What does it matter? -What’s the trouble/ the problem / wrong with sb./ sth.? -I had a cold. 我感冒了。have a cold=catch a cold=have the flu have a fever have a cough咳嗽have a stomachache胃疼，肚子疼have a toothache牙疼have a headache头疼2. 身体部位 +ache（疼痛）构成新的复合词stomach+ache=stomachache head+ache=headache tooth+ache=toothache back+ache=backache3.should 的用法：1）用于第一人称疑问句，表征询意见。如：Should I open the window? 我可以开窗户吗？2）should表义务或提建议，可用于各种句式，通常指将来。如：You should do what your parents tell you. 你应该照你父母的话去做事。He should do some work, but he doesn’t want to. 他应该做些工作，但是他不想做。也可指现在。如：You shouldn ’t feel so unhappy over such trifles. 对这种小事，你不应该感到这么不高兴。You shouldn ’t be sitting in the sun. 你不应该坐在阳光下。3）should表推测，暗含很大的可能。如：It’s 4:30. They should be in New York by now. 现在是四点半，他们应该到达纽约了。Three weeks should suffice. 三个星期应该足够了。4）should可在某些从句中，表虚拟语气。如：I suggest that you should stay here as if nothing had happened. 我建议你应该待在这儿，好像什么事也没有发生。She was terrified lest they should go on talking about her. 她感到害怕，唯恐他们再说她的事。If he should drop in, give him my message. 他若来访，就将我的消息给他。5）should表感情色彩，常用在以why, how 开头的疑问句中。如：Why shouldn ’t you invite him? 为什么你不邀请他？I don’t see why we shouldn ’t make friends. 我不明白为什么我们竟不能成为朋友。How should I know? 我怎么知道？★在 that引导的从句中，should...