''for hours''

[jctgf]

I kept waiting hours until you to come back.

I kept waiting hours for you to come back.

I kept waiting for hours for you to come back.

I kept waiting for hours until you to come back.

I kept waiting you to come back for hours.

I have been waiting for many hours the doctor to come.

I have been waiting many hours the doctor to come.

I have been waiting for hours the doctor to come.

I have been waiting the doctor for hours.

I have been waiting the doctor for many hours.


Hi,
Which one, please, if any, is good English?
Thanks.

[ATDM]

None of the phrases are correct. It should be one of the following:

I have been waiting for hours for you to come...

I have waited for hours for you to come...


But to avoid using the word "for" twice, I would use something like that:

I have spent many hours waiting for you to come...