sarah has a headache 中has为什么是过去式

相关推荐

• 第一问：Then man【tried out】 several 【means】 to have those people get across what he said.请问这里的tried out和means分别是什么意思?=第二问：It's obvious that her refusing to see a doctor has ____(led in/resulted in) her illness woresening.请问led in没有导致,造成的意思吗?为什么答案是result in?=第三问：It's nice to see millions who had nothing but 【a record of】 misery and hungry _____（have/to have) the chance to improve their life and livig conditions.①请解释黑框中的a record of应该怎么理解.②请问为何横线处只能用have?我脑子
• she has taken care of your daughter since you are away这句话我觉得有问题.本题是个选择题,答案是选since,如上面写的,据我了解,since不是跟完成时联用吗?就本题而言,如果选since,后面该是过去式啊,为什么是一般现在时.
• 新概念第二册同步测试选择题.1:This is the first time__here为什么是现在完成时,不能是过去式吗.2：He has never spent a __day 为什么是more worrying 不是most worring.3:this news sounds__]怎么是encouraging 不是to encourage.4:i'd like to have this package__.madam怎么是 weighed,不是be weighed 5:__anything about the accident.是not knowing 为什么不是not know6:it__be my uncle.he has gone to beijing.是can't 为什么不是mustn't还有：he likes borrowing money from his friend.有两个动词怎么搞的.麻烦下了.
• 我见过一些在decision后面有后置定语,可前面的冠词还用a的情况.比如：a decision unfavorable to the opposition.He has made a decision that he will be an inventor some time.照理说,定语表示特指,前面应该用定冠词the,可这里用的是a,是因为make a decision是固定用法吗?如果make the decision 可以的话，a decision unfavorable to the opposition中为什么要用a？
• "In some states only one house in five has people living in it for more than five years"这是一篇阅读中的一句话,请教大家这句话所包含的语法结构,是倒装句吗?如果是,为什么是living?为什么这句话倒装?请尽量详细些.
• 时态问题,不是求翻译：This picture or movie has been moved or deleted请问这里是什么时态?为什么 move/deleted 用过去式,如果是现在完成进行时不是应当用moving/deleting吗?~
• neither和either的问题 either表示的是两者之一 可为什么not either=neither和either的问题 either表示的是两者之一 可为什么not either=neither呢?比如在这句话中 Peter has never been to a water park.I haven't either=me neither 为什么呢?为什么不能说i haven't neither 是重复了么?
• 1.When you are still a baby,mother（ ）as good care of you as possible..A.take B.took C.takes D.taking （Q：前面的句子表示的是过去,为什么后面take不用过去式?）2.She always stands in the wind（ ）for you back from school.A.looking B.look C.wait D.waiting（Q：为什么动词后要加ing?哪里表示要这样变形?）3.Mother is always ready to give everything she has （ ）her children,not to receive.A.for B.to C.of D.with（Q：为什么用to而不用for?）C D B
• computer has ____(enable) us to find more and more useful information on the internet.用enable 的正确形式填空 填什么呢?为什么呢?2.我看见很多学生进入了教学楼.I——— many students ————the teaching building.这句话怎么填呢答案是saw 和enter 为什么是过去式呢?而后面不是entered呢?
• 英语 高手讲解下 谢谢!6道题目全部是积累来的：1 here of=hero about 意思是听说 我认为听说已经过去了 所以用过去时对吗?2听到是用现在进行时吗?另外听到用英语怎么写3join enter take part in 他们都是参加的意思 怎么用呢?4solution solve answer 怎么用? 现在我只知道有question就用answer 列 选出下列意思相相近的选项：Boys and girls who can (reply to ) this question .A answer B solv →本来我想用A的 可是因为reply是动词 又加上can后接动词原形 另外solve也是动词所以我就选了B 但答案是A 告诉我吧5为什么there are a lot of things中的there are 不等于there has 却等于it has 呢6如何区分现在完成时和现在完成进行时楼3的朋友 2.听到，既然是听到所以也是过去时，也用heard， 比如“
• 翻译 It is difficult to like others when you do not appreciate yourself for who you are
• 某钢索能承担的最大拉力为10的4平方牛.能否用它吊起一辆质量为2乘10的3立方千克的小汽车?