you can't imagine how much difficulty i had doing那么什么时候用to do

you can't imagine how much difficulty i had doing那么什么时候用to do
you can't imagine how much difficulty i had doing那么什么时候用to do

you can't imagine how much difficulty i had doing那么什么时候用to do
其实这句中的从句补充完整应该是这样的:I had many difficulty (in)doing
省略了in ,就像I have problem (in) doing.
这种是固定搭配,应该不会用to do

had doing 是说做过什么，是过去式
to do 是说去做什么，是没有发生的。
you can't imagine how much difficulty i will have to do
你将无法想象我要去做的将会是多么的困难。

how much difficulty i had 其实是感叹句的形式，恢复成陈述句应该是： I had difficulty doing sth.
现在容易理解了，它用了词组have difficulty doing sth. 意思是：你无法想象我做某事有多难什么时候to do呢看下面的句子：It's a good way of studying well to keep asking ...

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how much difficulty i had 其实是感叹句的形式，恢复成陈述句应该是： I had difficulty doing sth.
现在容易理解了，它用了词组have difficulty doing sth. 意思是：你无法想象我做某事有多难

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