高一课本unit 15- 16
study aim: grasp the following words and sentence structure and remember how to use them.
study guide: read the new words and fill in the blanks in about 20 minutes.
☆重点句型☆
1. 英语句型中的否定转移
在英语中,如果主句的动词是think, suppose, expect, believe, imagine 之类的动词,其否定形式应转移到主句。构成反意疑问句时,主语是第一人称,以从句为准;主语是其它人称,以主句为准。 i don"t think you"re right, are you? 我认为你不对,不是吗?
mary doesn’t expect she can have a long holiday, does she?
练习:a. i don"t suppose i shall be back until 9 o"clock, ________________?
b. they all think that english is very important, _______________?
c. i don’t believe he can afford to buy an apartment, _____________?
d. he didn’t think that the news was true, ________________?
e._________________________________________我认为你的答案是不对的,不是吗?
反义疑问句的回答是根据实际情况来回答的。肯定回答:yes, i do.否定回答:no, i don"t. 注意: 要前后保持一致,切不可说成“yes, i don"t.”或“no, i do.
(1) ---his sister didn’t attend the meeting, did she?
---______. she fell ill that day.
a. yes, she did. b. no, she did. c. yes, she didn’t d. no, she didn’t
(2) ----he likes playing football, doesn’t he?
---______. he does it every day.
a.yes, he doesn’t. b. no, he doesn’t. c. yes, he does. d. no, he does.
2. pierre and i did have a very good time at the ball. 皮埃尔与我确实在舞会上玩得很开心。
助动词do / does / did + 动词原形表示 “确实,的确,一定”。常常用在肯定句或祈使句中,起加强语气的作用。有人称和时态的变化。例如:
_______send me e-mail immediately you arrive at beijing. 你一到北京,一定要给我发电子邮件
he __________ smoke two packs of cigarettes every day. 他确实每天抽两包烟。
you ________look nice today. 你今天看起来真漂亮。
we ________need help those days. 在那些日子里我们的确需要帮助。
____ careful while crossing the street.
a. your being b. to be c. do be d. being
3. be (was / were) to do 此结构表示安排、命令、职责、义务、用途、可能性、命中注定等。
you are to be back by 11 o"clock. 你得在11点钟前回来。(命令)