祈使句(禁止,强制用语).pptVIP

K 祈使句（禁止、强制性用语） 祈使句（Imperative Sentence） ： 用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句 肯定祈使句：动词原形+其它 否定祈使句：Don’t + 动词原形+ 其它 委婉句： 用于客气委婉地表达请求、劝告、警告等 肯定委婉句：should+动词原形+其它 否定委婉句：shouldn’t + 动词原形+ 其它 将下列委婉语句改写为祈使句 You shouldn’t be rude. You should be polite. You shouldn’t run in the corridors. You should walk in the corridors. Don’t be rude. Be polite. Don’t run in the corridors. Walk in the corridors 注意cautions! polite rude quiet noisy adj. 形容词 be (noisy, quiet,rude,polite) throw run walk v. 动词原形 将下列祈使句改写为委婉句： Be polite. Throw rubbish in the bin. Don’t be noisy in the classroom and library. Don’t run in the classroom. You should be polite. You should throw rubbish in the bin. You shouldn’t be noisy in the classroom and library. You shouldn’t run in the classroom. 判断下列各句的正误，将有误的改正： Polite，please. Throw rubbish in the bin. Don’t noisy in the classroom and library. Don’t be run in the classroom. You should polite. You should throw rubbish in the bin. You shouldn’t noisy in the classroom and library. You shouldn’t run in the classroom. （ ）1. Please_________ throw rubbish_________ the floor . A.does, on B. do, in C. don’t, on D.don’t, in （ ）2. Look_________ Mary . A.in B.on C. at D. under ( ）3. She_________ throwing rubbish_________ the bin . A. are, in B. are, on C. is, on D. is, in ( ）4. Don’t_________ rude . A.is B. are C. be D. / ( )5. Don’trun_________ the corridors . A.on B. at C. in D.under K