英语人教版九年级全册Unit4 语法焦点.ppt

1、1.used to do sth.表示“过去常常做某事”，只表示过去和现在对比，暗示现在不做了。to为动词不定式符号，后接动词原形。 e.g.他过去常常六点去上学。 He used to go to school at six oclock. 2.used to do sth.的否定形式： 主语+ usednt to do sth. 主语+ used not (didnt use)to do sth. e.g. He usednt / didnt use to smoke.过去他不吸烟。,语法焦点,used to用法小结,3.used to do的疑问句形式及其答语。 （1）Used+主语+

2、to do? 回答：Yes, sb. used to./No, sb. usednt to. （2）Did+主语+use to do? 回答：Yes, sb. did./No, sb. didnt. 4.used to do的反意疑问句形式也有两种，类似于否定句形式。 e.g. They used to see English movies on Sunday，usednt they?/ didnt they?,语法焦点,used to用法小结,知识延伸： get/be used to(doing) sth.习惯于（干）某事； be used to do sth.= be used for (

3、doing)sth.被用于做某事； be used by 被.所用。,语法焦点,used to用法小结,1. Lilys father used _ (play) table tennis. 2. Jane is a hard-working girl, she is used to _ (get) up early. 3. Wood is used to _(make) desks, chairs, tables and so on. 4. _ you _(use) to be short? 5. Today, computers are_ (use) in both work and st

4、udy.,一、用所给词的适当形式填空。,to play,强化训练,make,use,used,getting,Did,1. My brother used to play football after school.(改为一般疑问句） _your brother _ _play football after school? 2. Tom used to be a quiet boy.(改为否定句) Tom _ be a quiet boy. 3.There used to be an old hospital behind our school，_ ?(完成反意疑问句） 4. I used t

5、o see my aunt once a month.(对画线部分提问） _ you use to see your aunt?,二、按要求进行句型转换，每空一词。,Did,强化训练,use to,didnt use to,didnt/usednt there,How often did,写作指导,现在和过去进行比较的短文属于记叙文的范围。此话题的作文通常会以提示性作文的形式给出。注意要将提示的要点都表达清楚。句子的时态通常为一般过去时和一般现在时，used to句型在此类作文中应用广泛。 常用句型归纳如下：,1.My life has changed a lot in the last fe

6、w years.I used toNow Im 2.The biggest change in my life was,写作示例,假如你叫李华，刚转到一所新学校。请根据下面表格中的信息，介绍你的一些变化。80词左右，开头已给出，不计入总词数。,I have changed a lot since I moved to this new school this term,经典示范,I have changed a lot since I moved to this new school this term. I used to have many friends and be outgoing, but now I have few friends，and I become a little quiet. In the old school, I used to spend much time playing with my friends，but now I have to spend most of my time on my schoolwork.I used to have no interest in my lessons, so I usually got bad