can fitter
Regular verb: fitter - fittered- fittered

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