祈使句(禁止,强制用语)

1、祈使句（禁止、 强制性用语） K K K K K K 祈使句祈使句（Imperative Sentence） ： 用于表达命令、请求、劝告、警告、用于表达命令、请求、劝告、警告、 禁止等的句子叫做祈使句禁止等的句子叫做祈使句 肯定祈使句：肯定祈使句：动词原形动词原形+其它其它 否定祈使句：否定祈使句：Dont + 动词原形动词原形+ 其它其它 K 委婉句委婉句： 用于客气委婉地表达请求、劝告、警告等用于客气委婉地表达请求、劝告、警告等 肯定委婉句：肯定委婉句：should+动词原形动词原形+其它其它 否定委婉句：否定委婉句：shouldnt + 动词原形动词原形+ 其它其它 K 将下列委婉语句

2、改写为祈使句 You shouldnt be rude. You should be polite. You shouldnt run in the corridors. You should walk in the corridors. Dont be rude. Be polite. Dont run in the corridors. Walk in the corridors K 注意cautions! polite rude quiet noisy adj. 形容词形容词 be (noisy, quiet,rude,polite) throw run walk v. 动词动词 原形原

3、形 K 将下列祈使句改写为委婉句： Be polite. Throw rubbish in the bin. Dont be noisy in the classroom and library. Dont run in the classroom. You should be polite. You should throw rubbish in the bin. You shouldnt be noisy in the classroom and library. You shouldnt run in the classroom. K 判断下列各句的正误，将有误的改正： Polite，p

4、lease. Throw rubbish in the bin. Dont noisy in the classroom and library. Dont be run in the classroom. You should polite. You should throw rubbish in the bin. You shouldnt noisy in the classroom and library. You shouldnt run in the classroom. K （ ）1. Please_ throw rubbish_ the floor . A.does, on B.

5、 do, in C. donA.does, on B. do, in C. dont, on D.dont, in （ ）2. Look_ Mary . A.in B.on C. at D. A.in B.on C. at D. underunder ( ( ）3. She_ throwing rubbish_ the bin . A. are, in B. are, on C. is, on D. is, A. are, in B. are, on C. is, on D. is, inin ( ( ）4. Dont_ rude . A.is B. are C. be D. / A.is B. are C. be D. / ( )5. Don( )5. Dontrun_ the corridors . A.on B. at C. in D.underA.on B. at C. in D.under K 1.祈使句：提出请求，建议或发 出命令的句子。