内容正文:
Section A(Grammar Focus-3c)
一、肯定句变为否定句
1.当句中含有was,were时,可直接在其后加not构成否定句。was not可缩写为
wasn’t,were not可简写为weren’t。
He was at school yesterday.
→He wasn’t at school yesterday.
They were in Beijing last week.
→They weren’t in Beijing last week.
2.当句中含有情态动词时,可直接在其后加not构成否定句。
I could help clean the classroom last year.
→I couldn’t help clean the classroom last year.
3.当句中谓语动词是一般的行为动词时,在该动词前加did not/didn’t,动
词用原形。
The musician wrote some popular songs.
→The musician didn’t write any popular songs.
二、陈述句变为一般疑问句
1.移动be动词或情态动词的位置。将be动词was,were或情态动词could,
would等移到句首。
He was interested in music.
→Was he interested in music?
2.添加助动词did。谓语动词是一般的行为动词时,在主语前加助动词did,
后面动词用原形。
He milked the cow on the farm.
→Did he milk the cow on the farm?
三、陈述句变为特殊疑问句
1.确定疑问词:对人提问用who/whom,对事/物提问用what,对地点提问用
where,对时间提问用when/what time,对原因提问用why,对频率提问用
how often,对长度提问用how long,对距离提问用how far,对状况提问用
how,对年龄提问用how old。
2.确定结构形式
(1)疑问词+was/were(+主语)+...?
What was the weather like yesterday?
(2)疑问词+情态动词/助动词did+主语+动词原形+...?
Where did you go last night?
(3)Who+情态动词+动词原形+...?或Who+动词过去式+...?
注:此时who提问主语。
Who can read the sentence in English?
谁能用英语读这个句子?
Ⅰ.单项选择
( )1.—When you your old friend?
—The day before yesterday.
A.will;visit B.did;visit
C.was;visit D.were;visit
( )2.—Where she last weekend?
—She to the countryside.
A.did;went;go B.did;go;went
C.does;went;go D.did;went;went
B
B
( )3.—What you do yesterday evening,Paul?
—I my homework at home.
A.do;do B.did;did
C.did;do D.do;did
( )4.— ?
—I went to see my friend.
A.Where was your friend
B.What are you doing
C.How’s your friend
D.What did you do yesterday
B
D
( )5.—Who to clean the classroom last weekend?
—Jerry.
A.helps B.is helping
C.helped D.will help
C
Ⅱ.句型转换
6.Did you play the piano this morning?(作肯定回答)
,I .
7.Jo