祈使句PPT课件

Examples:
1) Think hard, and you will come up with an
idea.
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2) Think hard, or you will have no way out.
转换 1) If you think hard, you will come up
with an idea.
否定式：Don’t touch it. Don’t be lazy. Never play with fire!
答语： Yes, I will. / No, I won’t. 反意问句：will you/ shall we 句式： 祈使句or/and +主+will (won’t) /can
(can’t)...
_se_r_i_o_u_s_ly_ (严重地)
3. Mr. Li cooks well. He is a good _c_o_o_k_ (cook) 4. What _e_ls_e_ (别的）would you like?
5. The accident _h_a_p_p_e_n_e_d_ (happen) yesterday.
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祈使句的否定式
祈使句的否定结构是以“Don't＋动词
原形”开头
Don't go there, please． 请别去那儿。
Don't be late． 不要迟到。
Don't let him in． 不要让他进来。
Don't let the water run into the room.
不要让水流进屋里。
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祈使句的反意疑问句
反意问句 Open the door, will you? Let’s go by bus, shall we? Let us leave at once, will you?
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一个重要句型
祈使句， and/then 主can/will do…
祈使句， or 主语 cannot/ won’t do…
He told us not to pick flowers.
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随堂练习
1. He told me _____for school.
A. don’t be late B. don’t late
C. not to be late D. is not late
2. —Please don’t make a noise!
A. listening
B. listen
C. to listen
D. listened
4. _______ to the English program
more often, and you will be able to
get it.
A. If you listen
B. Listening
C. when listen
Grammar: The Imperatives(祈使句）
祈使句是英语的基本句型之一，表达说话人 对对方的叮嘱、劝告、请求或命令等，往往 有表示请求、命令、希望、禁止、劝告等意 思。 祈使句一般没有主语，实际上是省略了主语 “You”。句末用感叹号或句号，用降调朗读。
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祈使句
肯定式：Come here, please. Be patient, please. Let’s go by bus.
6. We try our best to stop accidents from
_h_a_p_p_e_n_i_n_g_ (发生）at school.
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7. Santa Claus has nine _r_ei_n_d_e_e_r_ (驯鹿）to
.
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祈使句的肯定式
祈使句的肯定句式有三种形式，即 1). Do型( 以行为动词原形开头)
例如: Sit down 坐下! Stand up起立！ 2). Be型(以be开头),
例如: Be quiet安静！ 3). Let型（以let开头）
例如: Let me help you. 让我来帮助你。
.
2) If you don’t think hard, you will
have no way o. ut.
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祈使句转换为间接引语 1）“Come here, Tom!” John said.
John told Tom to go there. 2) “ Don’t pick flowers,” he said to us.
D. Listen
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5. ______ English with you is a lot of
fun!
A. Learn
B. Learning
C. If I learn D. When learning
6. Let us stay here for two days, ______?
A. will you B. shall we
—_____.I will be as quiet as a mouse.
A. Yes, I won’t. B. No, I won’t.
C. No, I will.
D. Yes, I will.
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3. Stop talking and _____ to me. I have
some news for you.
C. don’t you D. aren’t we
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Fill in the blanks with the proper words
1. Tom did his homework _c_a_r_e_le_s_s_ly_. He made
lots of mistakes. (care)
2. Tom fell off his bike and hurt himself
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注意： Let's型祈使句，其否定式也可用 Let’s not … 如： Let's not have rest． 咱们别休息了。 Let's not sit here! 我们不要坐在这儿！
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祈使句的答语
Tom: Remember to turn off the light ! John: I will. Tom: Don’t forget your homework! John: I won’t. Tom：Don’t come to school late again! John: Sorry, I won’t.