八年级英语上册知识点集锦 1、如有 always ,often, usually, sometimes, seldom, never, once a....,every...用一般现在时，第一、二人称复数后跟动词原形，第三人称单数后跟动词加's'/'es'。2、如有 now ,look! ,listen, at the moment ....用现在进行时，结构是 be (am, is, are) +v-ing3、如有 tomorrow, the day after tomorrow, from now on, in +一段时间, some day, next....用一般将来时，结构：will + v 原 /be going to +v 原（没有动词用 be ）4、如有 yesterday, ......ago , last....just now.....用一般过去时动词加‘ed’ 5. 比较几个“花费”spend : sb. spend some time on sth.某人花费时间做某事 sb. spend some time (in) doing sth. 某人花费时间做某事 sb. spend some money on sth. 某人花费钱买某物 sb. spend some money (in) buying sth.某人花费钱买某物 Cost: sth . cost sb. some money 某物花去某人钱pay: sb. pay some money for sth. 某人支付钱Take: It takes (took) sb. some time to do sth.做某事花去某人时间 6.else 常修饰不定代词，关系代词或副词，也可修饰 all, much,little 等，else 要位于其后。所有格为 else's. else 修饰不定代词 something ,everything anything , nothing, somebody, anybody ,nobody 和 who, what ,when ,where 时 放 后 。（something else）7.the number of …的数目，后跟名词复数，动词用三单, a number of =many,大量许多后跟名词复数，动词用复数形式。（a large number of， a small number of ）8.四说，1,speak 说语言，2.say 说内容，3,talk 与谁说，4,tell 告诉，讲述，四看，1,watch 观看电视，比赛和表演，2,see 看人，电影，医生，风景， 3,read 看书，报，4,look 就看。 看场电影要用 see，读书看报用 read 电视、戏剧、比赛，凡是表演用 watch,observe 细观察，一时注意用 notice.9. it is +adj.+of sb +to do sth.写性格，品质,如：kind, good, nice , right, wrong, clever, careless, polite, foolish 等。It is+adj+for sb +to do sth. 对物的评价，如：difficult ,easy hard, dangerous, important,等10.建议：1. why don't you do sth?=why not ...
