下面这句话始终都用的虚拟语气吗?

分析如下：
1. if you were asked, “what is the difference between plants and animals?” what
answer do you think you would give?
这个主从句都采用了虚拟语气,只是里面的直接引语“what is the difference between plants and animals?”不是虚拟语气.
2. Your first thought might be that a plant has leaves and roots and flowers,
此句中的从句that a plant has leaves and roots and flowers不是虚拟语气,想必也不用解释.
主句Your first thought might be...可以视为是虚拟语气,因为它也可以视为是对上句的回答,省略了if...从句.
即：Your first thought might be that a plant has leaves and roots and flowers,
= If you were asked, “what is the difference between plants and animals?”, your first thought might be that a plant has leaves and roots and flowers,
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第一句是。If you were asked,...如果是过去时，句中应该有过去的某个特定时间，但此句没有，所以是虚拟语气。
第二句也是。What (w需大写) ...you would give句里的would 表达虚拟语气。不然，整句语法需要一致的话，这里应用you will give而不是you would give.
第三句有点模棱两可。句中的might be符合虚拟语气的...

只有第一句if you were asked，其余没用虚拟语气。引号里的时态都是现在时，至于might be表示的是婉转口气。

我认为不都是，刚开始的那句是，后来的不都是

这段话始终都用虚拟语气。
第一句 if you were asked, “what is the difference between plants and animals?” what answer do you think you would give?是条件句引导的虚拟语气。
条件句表示与事实相反的虚拟语气结构是：从句的动词用过去式（be用were)，主句动词为would/s...