English verb conjugation
CAN FITTER

Regular verb: fitter - fittered - fittered

Affirmation

Simple form	V-ing form
I can fitter you can fitter he can fitter we can fitter you can fitter they can fitter	I can be fittering you can be fittering he can be fittering we can be fittering you can be fittering they can be fittering
Perfect	V-ing perfect
I can have fittered you can have fittered he can have fittered we can have fittered you can have fittered they can have fittered	I can have been fittering you can have been fittering he can have been fittering we can have been fittering you can have been fittering they can have been fittering

Negation

Simple form	V-ing form
I cannot fitter you cannot fitter he cannot fitter we cannot fitter you cannot fitter they cannot fitter	I cannot be fittering you cannot be fittering he cannot be fittering we cannot be fittering you cannot be fittering they cannot be fittering
Perfect	V-ing perfect
I cannot have fittered you cannot have fittered he cannot have fittered we cannot have fittered you cannot have fittered they cannot have fittered	I cannot have been fittering you cannot have been fittering he cannot have been fittering we cannot have been fittering you cannot have been fittering they cannot have been fittering

Interrogative form

Simple form	V-ing form
can I fitter? can you fitter? can he fitter? can we fitter? can you fitter? can they fitter?	can I be fittering? can you be fittering? can he be fittering? can we be fittering? can you be fittering? can they be fittering?
Perfect	V-ing perfect
can I have fittered? can you have fittered? can he have fittered? can we have fittered? can you have fittered? can they have fittered?	can I have been fittering? can you have been fittering? can he have been fittering? can we have been fittering? can you have been fittering? can they have been fittering?

Interro-negative form

Simple form	V-ing form
can I not fitter? can you not fitter? can he not fitter? can we not fitter? can you not fitter? can they not fitter?	can I not be fittering? can you not be fittering? can he not be fittering? can we not be fittering? can you not be fittering? can they not be fittering?
Perfect	V-ing perfect
can I not have fittered? can you not have fittered? can he not have fittered? can we not have fittered? can you not have fittered? can they not have fittered?	can I not have been fittering? can you not have been fittering? can he not have been fittering? can we not have been fittering? can you not have been fittering? can they not have been fittering?