用have to和can't各造三个句子快啊!短一点的…………

用have to和can't各造三个句子快啊!短一点的………… 请用don't have to pay for造三个句子 have to,has to,can和mustn't的区别 用can,can't,must或have to 填空 用can,can't,could,may,must,have to填空. 用must,can,can't,needn't,has to,have to,had to,will,造句 求三种英语句子,每种五句,新概念1的水平,例句在下例句1：where do you think you are?例句2：but you had better not do it again.第三个用can't have been和must have been,may have been造 can't help doing和help oneself to 麻烦造几个句子（越多越好）谢了 用can和can't各造10个英语句子 这个句子有没有语法错误?I can't believe it that I have to leave. 英语中can't have to 用be going to have been to to do be doing 分别造三个不同主语不同句式的句子 can can't must mustn't have to don't have to的区别 用must have been/done或can*t have been/done 改写句子 求救～用Have to和Don't have to造句～对了，最好是各5句话 情态动词can't have done 和couldn't have done 有什么区别吗对过去发生的事情否定猜测用can't have done 或couldn't have done ,两者有区别吗?比如 He can’t have gone to Beijing for I saw him a minute ago. 能换成He couldn 用have been to.already .yet各造三个句子.一句话就好.不用太长的.是一个单词造3个句子。 请用regret to do. needn't have done. remind sb of sth.各造一个句子!谢