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问题 现在完成时的使用疑问

请老师分一下这个句子的三种时态，尤其是后两个谓语动词部分为什么一个用完成时一个不用？He (has written) several novels since 1985. Most of them (have been) very successful, but the last one (didn't get) very good reviews.

问题 并列谓语的时态不一致的疑惑

People become quite illogical when they try to decide what can be eaten and what cannot be eaten. If you lived in the Mediterranean, for instance, you would consider octopus a great delicacy. You would not be able to understand why some people find it repulsive. On the other hand, your stomach would...

问题 as though用于虚拟语气的时态疑问

在主句为一般过去时的句子中 as though 引导的状语从句如果用虚拟语气谓语可以不是 have done 而是 did 吗?But what else could they do on that dark winter's day when the last of their store of grain was gone, when the trees were cut and sold, when he had sold everything,...

问题 英语动词时态疑问

老师，您好！麻烦您帮忙解决以下英语疑问：(1) He has few friends to share his joy and sadness, (  ) he ?(  ). It's really bad for him to keep quiet all the time.A. does; Yes     B. does; No答案是B， 我不能理解，我个人认为答案错误，...

问题 请将once在时间状语从句中的用法

...Once the students were arriving at the village, they went to help.这样从时态上就有矛盾了。once和before since  after不一样是因为它只能做连词，不能把后面的动词变为动名词doing。和when while不一样是因为它表示过去的事情的时候不能用进行...

问题 过去将来完成时与虚拟语气的区别

...t have been caught 和 would have been available，书上的解释是完成时态用法。但我感觉这跟虚拟语气长得很像，怎么区分过去将来完成时与虚拟语气之间的差异呢？谢谢专家的帮助！

问题 虚拟语气would have been的问题

...话道歉不够就会把过去虚拟形式would have been改为⼀般过去时态was，即...a call with our producer to personally apologize was insufficient.” 我觉得would have been如果是虚拟语气，可能会有一个隐藏条件，我问了问WR的友友们，其中一个人告诉我...

问题 一般现在时和现在完成时含义辨析

...含义的理解上有了怎么样的变化呢？我是想体会出英语的时态差别含义，所以请教专家老师，谢谢！