needn't have done should have done remide sb to do sth 造一个句子

needn't have done should have done remide sb to do sth 造一个句子 请用"regret to do." "needn't have done." "remind sb of sth."各造 have sb doing have sb done have sb to do have sth done have Needn't have done 和needn't do的区别! needn't have done用法 英语--have sb to do sth,have sth done,have doing的区别! have sth done和get sth done和get sb doing的区别和意思 ,get sb to do 必修三英语语法,should have done ,could have done,might,must,needn't get sth done与have sth done 等等词组的用法与区别?比如get sb to do sth hav needn't have done还是didn't have done 区别shouldn't have done 和 needn't have done have sth done与have sb do sth与 have sb doing sth区别