八年级上册英语知识点.docVIP

八年级上册英语知识点 八年级上册英语知识1 Unit1 Where did you goon vacation? 【重点语法】 不定代词：不指名代替任何特定名词或形容词的代词叫做不定代词。 用法注意 1.some 和any+可数名/不可数名。 some 多用于肯定句，any多用于否认句、疑问句和条件从句 。有些问句中用some,不用any, 问话者希望得到对方肯定答复。 2. 由some, any, no,every 与 body, one, thing构成的复合不定代词作主语时，其谓语动词用三单。 3. 不定代词假设有定语修饰，该定语要置于其后：如：something interesting 【重点短语】 1. buy sth for ab./ buy sb. sth 为某人买某物 2. taste + adj. 尝起来…… 3. nothing...but + V.(原形)除了……之外什么都没有 4. seem + (to be) + adj 看起来 5. arrive in + 大地方 / arrive at + 小地方 到达某地 6. decide to do sth. 决定做某事 7. try doing sth. 尝试做某事 / try to do sth. 尽力做某事 8. enjoy doing sth. 喜欢做某事 9. want to do sth. 想去做某事 10. start doing sth. 开始做某事=begin doing sth. 11. stop doing sth. 停止做某事 区分：stop to do sth. 停下来去做某事 12. dislike doing sth. 不喜欢做某事 14. so + adj + that + 从句 如此……以至于…… 16. tell sb. (not) to do sth. 告诉某人(不要) 做某事 17. keep doing sth. 继续做某事 18. forget to do sth. 忘记去做某事 / forget doing sth 忘记做过某事 【词语辨析】 1. take a photo/ take photos 拍照 quite a few+名词复数 “许多…〞 2. seem + 形容词 看起来…... You seem happy today. seem + to do sth. 似乎/好似做某事 I seem to have a cold It seems + 从句 似乎..…. It seems that no one believe you. seem like ... 好似，似乎….. It seems like a good idea. 3. arrive in +大地点= get to= reach+地点名 “到达......〞 arrive at +小地点 (注：假设后跟地点副词here/there/home, 介词需省略，如：arrive here; get home) 4. feel like sth 感觉像… feel doing sth. 想要做某事 5. wonder(想知道)+疑问词(who, what, why)引导的从句。 6. because of +名/代/V-ing because+从句 He can’t take a walk because ofthe rain. I don’t buy the shirt because itwas too expensive. 7. enough +名词 足够的…... 形容词/副词+enough 八年级上册英语知识2 Unit2 How often do youexercise? 【重点语法】 1. 频率副词: always,usually, often, sometimes, never 频率副词在句中通常放在实义动词之前, be动词或助动词之后。常用于一般现在时态中。 2.“次数〞的表达方法 一次 once， 两次twice，三次或三次以上：基数词+ times, 如：three times, five times, 3. how often“多久一次〞问频率，答复常含有频率词组或短语。 常见的how疑问词： 1)How soon 多久(以后) —How soon will he be back?他多久能回来? —He will be back in amonth. 他一个月后能回来。 2)how long “多久〞 —How long did it take you toclean the house? 你清扫房子用了多久? —It took me half an hour to cleanthe house. 我清扫这房子用了半小时。