Tylko jedno zdanie, proszę o sprawdzenie :)

Czesc :)
Prosze o poprawke ew. bledow. Chialam wypowiedziec sie w czasie przeszlym.
Dzieki z gory:)

Not only dealt I with teaching a whole class of pupils, but also I provided one to one support to a pupil who had difficulties in learning.

Not only 'dealt I' (nie-) - DID I DEAL with teaching a whole class of pupils, but also I provided one to one support to a pupil 'who had difficulties in learning' WITH LEARNING DIFFICULTIES.