6、表示请求,命令,叮嘱,邀请,劝告等的句子,一般以动词原形开头。a)V型祈使句(以行为动词开头)Listentome,please.请听我说.b)B型祈使句(以Be开头)Becareful!小心!c)L型祈使句(以Let开头)Letmehelpyou.让我帮助你.d)D型祈使句(以Don’t+动词原形开头)Don’ttalkinclass.如:Look out! 小心!Wait here for me! 在这等我!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。如:Don't arrive
7、 late for school. 上学别迟到。Don't fight! 别打架!课堂检测:根据示范来进行祈使句操练A:Eatintheclass.B:Don’teatintheclass.A:Fightintheclassroom.B:.A:Runinthehallways.B:.A:Arrivelateforclass.B:.A:Listentomusicintheclassroom.B:.2.arrivelatefor=belatefor做某事迟到。1)arrive表示“到达某地”arrivein+city/