You mustn't catch the little dog.改为否定祈使句

You mustn't waste any time.(改为否定祈使句） You can’t catch that bird 改为否定祈使句 you mustn't cross the road now否定祈使句 原因 You mustn't shout in the classroom.改为祈使句 You mustn't talk loudly in the cinema.(改为祈使句) You mustn't play football on the road改为祈使句 You mustn't swim in the sea改为祈使句 You mustn't swim in the sea.（改为祈使句） You mustn't smoke here.(改为祈使句) You mustn't talk class.(改为祈使句) 把这句英语改为祈使句You mustn't play in the classroom.(改为祈使句） 英文转换改为祈使句1.You mustn;t read in the sun. (改为祈使句)______ ______