2022八年级上册英语知识点总结归纳【解析2】be nice to sb. 对某人友好 be friendly to sb be good to sb.【解析】refuse =say no to v拒绝 refuse to do sth拒绝去做某事【解析】 offer to do sth 主动提出做某事【拓展】offer v 主动赐予(1) offer to do sth 主动提出做某事(2)offer sb. sth= offer sth to sb. 主动供应给某人某物【解析2】communicate v沟通 communication n 沟通;沟通communicate with sb. 和某人沟通【解析】explain 解释;说明 explanation n 解释;说明explain sth to sb. 向某人解释某事。explain to sb sth给某人解释某事【解析】 be worried about sth. 担忧某事【拓展】worry v 担忧 worried adj. 着急worry about = be worried about 为担忧【解析】return v 归还=give back return . to . = give back to . 把.还给. v 回来;返回 = come back【解析】compete v竞争;对抗 competition n 竞争compete with sb. 和某人竞争compete against/ with 与竞争compete for 为参与竞赛【解析】some time /sometime/some times/sometimes【口诀】：分开是一段， 合起是某时; 分开s 是倍次，合起s是有时(1) some time一段时间，做时间状语It takes sb. some time to do sth. 做某事花费某人多长时间(2) sometime adv 在某个时候，(3) some times 名词词组，“几次，几倍”(4)sometimes=at times 有时 (一般现在时的标志词)【解析】cut out 删除;删去 (v+adv) cut up 切碎 cut down 砍到 cut in 插队 cut off 切断(水、电)供给【解析】successful 胜利的【拓展】 succeed v 胜利，到达 success n 胜利successful adj 胜利的successfully adv胜利地 succeed in doing sth【解析】Its time for sth 是到做某事的时候了。Its time for lunch.Its time to do sth Its time to go to school.【解析】continue 连续;持续【拓展】continue doing sth =go on doing sth 连续做某事(前后做同一件事)continue to do sth = go on to do sth 连续做某事(前后不是同一件事)【解析2】all kinds of 各种各样的【拓展】kind (1) n 种类kind of +adj.有点，有几分，kind of cold 有点冷a kind of 一种的，某种的all kinds of 各种各样的different kinds of 不同种类的 What kind of?那种【解析】have(no) time to do sth 有时间做某事【解析】compare A with B 将A和B 比拟(1)comparewith 把与.做比拟 (2) compareto 把.比做【解析】 cause v. 造成，使发生(1) cause sb. to do sth 使某人做某事(2) cause sb. for sb. 给某人添麻烦【解析】in ones opinion 以某人的观点; 在某人看来【解析】crazy. adj. 不理智的;疯狂的 (在句中作定语、表语、宾语补足语) be crazy about 对着迷;热衷于【解析】Its + adj.(easy,difficult,important,necessary) +(for sb.) to do sth【注】若形容词表示事物特征的，如：easy ,difficult, hard ,important等，须用介词for 【形容物，用for】Its +adj( kind, honest, friendly, )+(of sb) to do sth.【注】 若形容词表示人的性格、品质与特点，如：good ,kind ,nice, wrong等，用介词of。【形容人用of】43. keep on happening 持续发生【解析】keep on doing 连续做某事keep sb. doing sth 让某人始终做某事 keep up with 跟上keep sb. from doing sth阻挡某人做某事 keep away from避开