I may not have said what I was hoping you'd think I meant to say

I may not have said what I was hoping you'd think I meant to say
1 整句是什么意思
2 may not have say 什么意思 什么时态 为什么要用这种时态 为了表示什么?
3 i was hoping 为什么要用过去进行时 为了表示什么?
4 you would think 为什么要用过去将来时 为了表示什么?