|
No preposition is needed.
Thank you for teaching 19th-century Fiction last term. (simple and straight-forward)
Thank you for your teaching English ... ('your teaching' is possible)
After 'your teaching', you can say 'of' if a course name is used.
To use 'in', you need to change 'teaching' to 'teachings', but 'instruction' or 'lessons' sounds better.
Thank you for your instruction/lessons in Danish Literature'.
To use 'on', 'lessons' can be used.
'About' may be substituted for 'on', with 'instruction' or 'lessons'.
|