Are these sentences appropriate?

1) Instead of "Do you know what is the reason they're leaving?"

Can we use this "Do you know what the reason they're leaving is?"

Neither is correct. You may say, "Do you know what the reason is for their leaving?" or,"Do you know the reason for their leaving?" or, "

I believe you are asking about word order in direct and indirect questions.

Direct question: "What is the reason behind this?"
Indirect question: "Do you know what the reason behind this is?"

There is one word order for the direct form and another word order for the indirect form, and you can't switch them in the general case.

Here are some word groups tha

The question "Do you know what the reason they're leaving is?" might be ambiguous in certain contexts (or without a context, as in the first post in this thread), but it is a grammatically correct construction.

A possible answer to that question may be "Yes, they've just told me. The reason they're leaving is that they start work very early in the morning."

Miriammight be ambiguous in certain contexts... but it is a grammatically correct construction.

Miriam, what your post brings to the fore (now that I stand corrected) is a question about the cause of that ambiguity. One can certainly feel confident in knowing how to answer the question as Gary revised it-- I realize you are not using that confidenc

Davkett1) Instead of "Do you know what is the reason they're leaving?"

Can we use this "Do you know what the reason they're leaving is?"

Neither is correct. You may say, "Do you know what the reason is for their leaving?" or,"Do you know the

The-BestI think that it is also correct to say, "Do you know the reason for they are leaving?"

No. But, it's close. In using 'for', you could have--

a) 'Do you know the reason for their leaving?'

b) 'Do you know the reason for them to leave?'

I can think of two ways to change the punctua