Im from Canada.改成一般疑问句

Im from Canada.改成一般疑问句 Im watering the flowers改成一般疑问句 Im from New Zealand.(一般疑问句) bill is from Canada改为一般疑问句 Iam from canada改为一般疑问句 John comes from Canada.(改为一般疑问句) they both come from canada.怎么改成疑问句? John comes from Canada . 改成疑问句和否定句 These are some stamps from Canada.怎么改成疑问句 he is from canada(改为一般疑问句） the little girl comes from canada.(改为一般疑问句) The science teacher is from Canada改为一般疑问句