What iI want to sayask, is if you have a sentence like: He has bought his new car since 2015. What
He has bought his new car since 2015.
What will be the shapshape of that sentence if we begin it with "How many" It will be 1-How many years, has he bought his new car since? Or 2-How many years have been since he bout his new car? Or 3-How many years since he bought his new car Which of these should it be?
- How many years, has he bought his new car since?
- How many years have been since he bought his new car?
- How many years since he bought his new car?