they+have+to+do+with
答：They have to do...的反意疑问句应该是don't they，在英语中，反意疑问句遵循的原则是前否后肯，前肯后否，在根据时态，这是一个一般现在时态，所以，要用助动词do来进行反问。
答：have to do 必须，不得不做 原句中do是助动词，have to 相当于情态动词，所以原句中缺少实义动词。因此要加上do。
答：themselves自己做 复数
答：They have to do their homework now.Lucy第三人称单数变复数They(句首字母T大写）They复数，后面动词用原形have her她的 变成他们的 their
答：就是do ，have to是情态动词是主观上的必需的意思后接动词原形
答：they should do some homework first and after finishing,they can relax for couple of hours and then continue their homework.Because the more homework they have to do,the more pressure they will have,so it is beneficial for them to relax a little.And these are my suggestions.Yours...
答：What do they have to do?他们不得不干什么？
答：7、Must they finish the work today ?8、What do they have to do ?9、Does Jane have to do her homework now ?10、Students can't run in the hallways 11、Can you play with your friends on weekdays?12、Don't fight with your classmates at school 望采纳，祝开心~！！！
答：What do they have to do every day?What time does he have to get up?希望我的回答能够帮到你，望采纳！祝你学习进步，天天快乐。O(∩_∩)O
答：Sports have something to do with health.运动对健康有影响.What does this have to do with me 这和我又有什么关系；I suppose my resignation may have something to do wiht it.我想我的辞职也许和这事有关系.满意请采纳、祝你学习进步!
网友评论：
颜婕18472875725：
have与had的用法 -
59352戴易
： 当主语是(I, we, they)时用have,had 是have的过去式.用法:1、后接过去分词,构成现在和过去完成、完成进行时.例如:2、 have had也可以作为一般动词,意为“拥有”“进行”“吃”“使得”“让”等.如果后接不定式,意为“不得不...
颜婕18472875725：
They - ------ - have told me about it yesterday.选项: a,oughted to b, oughted -
59352戴易
： should/ought to+have+过去分词”既可表示本该做而事实上没有做的事,也可以表示惊讶、赞叹等情绪. 如: You should have told her about it the day before yesterday. It's wonderful that you should have achieved so much in these years. “情态...
颜婕18472875725：
为什么不用they are +adj.而是用 they are to be +adj.句子是这样的 -
59352戴易
： they are+adj 其实就是be+adj, 是表示主语的性质,一般情况下的、习惯上的一种状态 they are to be+adj实质上市 be to do, 它表示的是将来会怎样,还没有发生的 例如 You have done so well. You are to be rewarded.
颜婕18472875725：
They - ------ - have told me about it yesterday. -
59352戴易
： should
颜婕18472875725：
They had to stay at home because of the heavy rain, - --------? -
59352戴易
： B对,前肯后否.因为had to是 have to 过去时,其否定句要加助动词didN't ,反意疑问句也一样 如果不明白,请再问;如果对你有所帮助,请点击本页面中的“选为满意回答”按钮,谢谢!
颜婕18472875725：
They - - - finish the job by tomorrow A, have got B, have got to C, got to D, have -
59352戴易
： 选B, have got to相当于 have to,这句话的意思是“他们必须在明天前完成工作.”
颜婕18472875725：
They had a difficult time - ---there.A to get B getting C get D to getting -
59352戴易
： B have a difficult time doing/have difficulty doing 固定搭配
颜婕18472875725：
英语问题 -
59352戴易
： 是have enough time to dothey haven't enough time __D____the exams 结构是have 形容词 time to do,不能直接准备考试,应该为考试而准备
颜婕18472875725：
初中英语语法选择题 -
59352戴易
： 1、B.表示恰好,适逢.2、D.反义疑问中用would rather + v.做陈述部分时,用wouldn't +主语提问.3、C.反义疑问中当must+have done表示对过去的情况进行推测(一般句中有明确的过去时间状...
颜婕18472875725：
They have some problems - ------- - there. A.to get B.in getting C.ge to D.getting to选什么 为什么? -
59352戴易
： 选B,句型 have some problems (in)doing sth, there是地点副词所以there的前面不可以接to,所以不能选择D
