can patter
Regular verb: patter - pattered- pattered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can patter
you can patter
she can patter
we can patter
you can patter
they can patter 	I can be pattering
you can be pattering
she can be pattering
we can be pattering
you can be pattering
they can be pattering	I can have pattered
you can have pattered
she can have pattered
we can have pattered
you can have pattered
they can have pattered	I can have been pattering
you can have been pattering
she can have been pattering
we can have been pattering
you can have been pattering
they can have been pattering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot patter
you cannot patter
she cannot patter
we cannot patter
you cannot patter
they cannot patter 	I cannot be pattering
you cannot be pattering
she cannot be pattering
we cannot be pattering
you cannot be pattering
they cannot be pattering	I cannot have pattered
you cannot have pattered
she cannot have pattered
we cannot have pattered
you cannot have pattered
they cannot have pattered	I cannot have been pattering
you cannot have been pattering
she cannot have been pattering
we cannot have been pattering
you cannot have been pattering
they cannot have been pattering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I patter?
can you patter?
can she patter?
can we patter?
can you patter?
can they patter? 	can I be pattering?
can you be pattering?
can she be pattering?
can we be pattering?
can you be pattering?
can they be pattering? 	can I have pattered?
can you have pattered?
can she have pattered?
can we have pattered?
can you have pattered?
can they have pattered? 	can I have been pattering?
can you have been pattering?
can she have been pattering?
can we have been pattering?
can you have been pattering?
can they have been pattering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not patter?
can you not patter?
can she not patter?
can we not patter?
can you not patter?
can they not patter? 	can I not be pattering?
can you not be pattering?
can she not be pattering?
can we not be pattering?
can you not be pattering?
can they not be pattering? 	can I not have pattered?
can you not have pattered?
can she not have pattered?
can we not have pattered?
can you not have pattered?
can they not have pattered? 	can I not have been pattering?
can you not have been pattering?
can she not have been pattering?
can we not have been pattering?
can you not have been pattering?
can they not have been pattering?