八年级下unit4基础知识点VIP免费

八年级下 unit4重点短语：1.first of all = at first 首先 2.pass on 传递3. be supposed to do sth. 应该做某事4.be good at = do well in 在某方面做得好 5. in good health 身体健康6.get over 克服 7.open up 打开8.care for = take care of = look after 照料；照顾9.not any more = not any longer = no longer 不再10.have a cold 感冒 11.end-of-year exam 年终考试12.get nervous 变得紧张 13.forget to do sth. 忘记做某事（该事未做）forget doing sth. 忘记做某事（该事已做）14.it's + adj. + [for sb.] + to do sth. 做某事[对某人来说]……（加形容词）15.context 上下文重点语法：宾语从句结构：主语 + 谓语动词 + 宾语从句(主语 + 谓语动词 + 宾语/表语)例句：----I'm good at English. He says. (改为加宾语从句的复合句) ----He says I'm good at English.注意：①主句是一般现在时态，宾语从句的时态不受其影响。 例句：He says I'm good at English now. He says I was good at mathematics when I was young. ② 主句是过去时态，宾语从句也要用过去时态。 例句：He said I was good at mathematics when I was young yesterday. He said I was good at English now yesterday. ③ 宾语从句是客观真理时永远用一般现在时态。 例句：Our teacher says 24 hours make a day. Our teacher said the sun gives us so many energy yesterday. ④ 动词原形不能作主语，必须用其 -ing 形式。 例句：She said helping others changed her life.