请帮我看看这两句英语
问题描述：
请帮我看看这两句英语
If she wasn't so busy,she might have joined us.
If she had not so busy,she might have joined us
If they hadn't given me a ride,i would still be standing in the rain
If they hadn't given me a ride,i would have still stood in the rain
请问他们之间分别可以互换吗?意思有什么不一样呢?为什么?
我会加分的,请解释的简明扼要些,
分别是什么时态用的?谢谢2楼的回答,但是第三句肯定是对的,因为它是语法书上的,是叫什么错综时间条件句,也叫部分真实条件句.但是我搞不懂它和一般的虚拟条件句究竟有什么不同,
答
if she wasn't so busy,she might have joined us.If she had not so busy,she might have joined us两者不一样.前者是过去那段时间忙,是一直忙的感觉后者是过去的过去忙,时态不一样,所以意思也有差别哦!If they had...