a和an的用法區(qū)別.ppt

1、不定冠詞的用法區(qū)別,復(fù)習(xí)舊知，鞏固所學(xué),根據(jù)句意和詞首字母寫單詞,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 when we a_ o

2、ne 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,根據(jù)句意和詞首字母寫單詞,1. I like living in the old house, and watching the view of the steep hill_(在遠(yuǎn)處). 2. Its very difficult for the

3、female headmaster to _ (管理學(xué)校) like this. 3. Our new school _ (離近) 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,不定冠詞a/an的區(qū)別,特別提醒：,an hour, an honest boy，a useful book There is an “f” in the word “five”.

4、 (在“five”中有字母“f”。),歸納: a用在以輔音音素開頭的單詞前，an用在以元音音素開頭的單詞前，判斷一個(gè)單詞是元音開頭還是輔音開頭，要根據(jù)其讀音，而不是根據(jù)首字母。如：,我們可以這樣來記憶：不見元音不加an，不看字母看發(fā)音。,(1)在26個(gè)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(píng)開頭的單詞，要注意區(qū)別。如： an umbrella，an unusual story，an unhappy boy，a university，a useful book, a unit (3)以e開頭的單詞，要注意區(qū)別。如： an eg

5、g, a European boy (4)以h開頭的單詞，要注意區(qū)別。如： an hour, an honest boy,要注意的字母：,(5)注意這幾個(gè)數(shù)字（1,11，與8相關(guān)的數(shù)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,要注意的數(shù)字：,a,an,an,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,歸納總結(jié)：,要注