6. no talking ! "禁止交谈!"no后面加上名词或动名词(doing)也表示不要做某事。与don't +do的用法相似。no wet umbrellas! / don't put wet umbrellas here! 禁止放湿雨伞!
no food! don't eat food here! 禁止吃食物!no smoking! don't smoke here! 禁止吸烟!
7.语法(祈使句)
祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子,这类句子的主语常是第二人称you,也就是听话者,因而you常省去了。祈使句的开头是动词原形。
如:look out! 小心!wait here for me! 在这等我!
be sure to come here on time! 务必准时来到这里!
祈使句的否定形式多以do not(常缩写成don't)开头,再加上动词原形。
don't arrive late for school. 上学别迟到。
don't fight! 别打架!
don't look out of the window. 不要向窗外看。