Why have you bought the car?
I liked its color.
(QW + HAVE/HAS + S + V3)
Why has he bought the car? He likes its color.
Please note in the formula above, that HAVE still changes to HAS in the
third person.
Well, you have done very well.
Now, it's your choice. You can return to Lesson M Main, or
find out some common time words that often go with
the Present Perfect.
Lesson M Main?
Lessons Main?