(1) She has experience teaching French.
(2) She has experience of teaching French.
(3) She has the experience of teaching French.
(4) She has experience in teaching French.
(5) She has the experience to teach French.
(6) She has the experience that she teaches French.
(7) She has the experience in which she teaches French.
Question: Which is correct?
My opinions:
(1) is correct and natural.
(2) is correct but unnatural.
(3) is wrong.
(4) is correct, but (1) is much more common.
(5) is correct, but (1) is much more common.
(6) is wrong.
(7) is wrong.
#1 is fine. Use it. #5 is also okay, but it has a different meaning.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
#1 is fine. Use it.
#5 is also okay, but it has a different meaning. It means "She has the necessary experience to teach French".
Forget about the rest.