a和an的用法区别PPT课件

1、.,1,不定冠词的用法区别,.,2,复习旧知，巩固所学,.,3,根据句意和词首字母写单词,1. If the population in the world keeps increasing like this, there will be only standing r_ on the earth. 2. Anyone who is in danger can call the p _ telephone on 110. 3. We should p_ our earth because we have only one. 4. “We can even get more than two

2、when we a_ one to one.” Our head teacher Miss Liu often educates us with words like this. 5. There is no one who has no f ; everyone can make different mistakes.,oom,olice,rotect,ault,dd,.,4,根据句意和词首字母写单词,1. I like living in the old house, and watching the view of the steep hill_(在远处). 2. Its very di

3、fficult for the female headmaster to _ (管理学校) like this. 3. Our new school _ (离近) the Zhongshan Park. 4. There _ (需要有) more public toilets in the busy and crowd city center.,in the distance,run a school,is close to,need to be,.,5,不定冠词a/an的区别,.,6,特别提醒：,an hour, an honest boy，a useful book There is an

4、 “f” in the word “five”. (在“five”中有字母“f”。),归纳: a用在以辅音音素开头的单词前，an用在以元音音素开头的单词前，判断一个单词是元音开头还是辅音开头，要根据其读音，而不是根据首字母。如：,我们可以这样来记忆：不见元音不加an，不看字母看发音。,.,7,(1)在26个字母中，前面用an的字母有：a，e，f， h，i，l，m，n，o，r，s，x，其他用a。(u不是) (2)以u开头的单词，要注意区别。如： an umbrella，an unusual story，an unhappy boy，a university，a useful book, a un

5、it (3)以e开头的单词，要注意区别。如： an egg, a European boy (4)以h开头的单词，要注意区别。如： an hour, an honest boy,要注意的字母：,.,8,(5)注意这几个数字（1,11，与8相关的数字） a one-year-old boy an eveven-year-old boy an eighty-year-old man _1-year-old girl _ 11-year-old boy, _ 18-year-old girl,要注意的数字：,a,an,an,.,9,1.There is _“u” in the word “use”. 2.There is _ “h” in the word “there”. 3.There isnt _ university in our town. 4.Tony is _ honest boy. 5. London is _ European city. 6. _ 8-year-old boy is playing games. 7.There are 60 minutes in _ hour. 8. Liu Xiang is _ unusual player.,a,an,a,an,a,An,an,an,.,10,归纳总结：,