they must go home now的一般疑问句,否定句和以when开头的特殊疑问句

they must go home now的一般疑问句,否定句和以when开头的特殊疑问句 They must go home now改成一般疑问句 特殊疑问句 和否定句 They must go home now. 变成一般疑问句、特殊疑问句、否定句 they must go home now 变成一般疑问句和特殊疑问句 he cleand his shoes一般疑问句,否定句,以when开头的特殊疑问句 They were here yesterday?改为一般疑问句怎么改?以when开头的特殊疑问句呢? he feels ill的以how开头的特殊疑问句,一般疑问句,否定句 he has a headache的一般疑问句,否定句,以what开头的特殊疑问句 I must go home now (改一般疑问句,肯定 否定句) they like ice cream的一般疑问句和特殊疑问句和否定句是什么? They usually do homework at home at 7:00.变一般疑问句、否定句、画they的特殊 Must they go home now?Must为什么可以引导疑问句?之类的还有什么词可以?