How long ... Mr Kane ... (to wash) his car? - He ... (to wash) it for more than an hour...

Question

How long ... Mr Kane ... (to wash) his car?
- He ... (to wash) it for more than an hour now.
И объясните пожалуйста, как и почему

Answer 1

- How long has Mr. Kane been washing his car?
- He has been washing it for more than an hour now ( Present perfect continuous )