八年级上册英语语法讲解与练习.docVIP

PAGE \* MERGEFORMAT 1 Unit1 Where did you go on vacation? 词语辨析： anywhere 与 somewhere 两者都是不定副词。 anywhere 在任何地方 ， 常用于否定句和疑问句中。I can’t find it anywhere. somewhere 在某处，到某处，常用于肯定句。 I lost my key somewhere near here. 2. seem + 形容词 看起来….. You seem happy today. seem + to do sth. 似乎、好像做某事 I seem to have a cold I seems / seemed + 从句 看起来好像…；似乎…. It seems that no one believe you. seem like ….好像，似乎….. It seems like a god idea. 3. decide to do sth.决定做某事 They decide to visit the museum. decide + 疑问词 + 动词不定式 He can not decide when to leave. 4. start doing sth = start to do sth. 开始，可与begin 互换 。He started doing his homework. 但以下几种情况不能用begin . 创办，开办： He started a new bllkshop last month. 机器开动： I can’t start my car. 出发，动身： I will start tomorrow morning. 5. over 介词，多于，超过，在…以上（表示数目、程度）= more than My father is over 40 years old. 在…之上，与物体垂直且不接触，与 under 相反。 There is a map over the blackboard. 超过： I hear the news over the radio. 遍及： I want to travel all over the world. 6. too many 太多，后接可数名词复数： Mother bought too many eggs yesterday. too much 太多，修饰不可数名词，修饰动词作状语。 We have too much work to do. Don’t talk too much. much too 太，修饰形容词或副词。 The hat is much too big for me. You’re walking much too fast. 分辨三者的口诀： too much, much too, 用法区别看后头： much 后接不可数， too 后修饰形或副。 too many 要记住，后面名词必复数。 7. because of 介词短语，因为，由于，后接名词、代词或动名词，不能接句子。 He can’t take a walk because of the rain. because 连词，因为，引导状语从句，表示直接明确的原因或理由。 I don’t buy the shirt because it was too expensive. Unit 2 How often do you exercise? 词语辨析： 1. how often 多久一次，用来提问动作发生的频率。回答用：once，twice, three times 等词语。 How often do you play sports? Three times a week. how long 多长，用来询问多长时间，也可询问某物有多长。 How long does it take to get to Shanghai from here? How long is the ruler? how for 多远， 用来询问距离，指路程的远近。 How far is it from here to the park? It’s about 2 kilometers. free 空闲的，有空的， 反义词为 busy. be free 有空，闲着，相当于 have time. I’ll be free next week. = I’ll have time next week. 还可作“免费的、自由的”解