can patter
Regular verb: patter - pattered- pattered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can patter
you can patter
he can patter
we can patter
you can patter
they can patter 	I can be pattering
you can be pattering
he can be pattering
we can be pattering
you can be pattering
they can be pattering	I can have pattered
you can have pattered
he 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
he 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 can't patter
you can't patter
he can't patter
we can't patter
you can't patter
they can't patter 	I can't be pattering
you can't be pattering
he can't be pattering
we can't be pattering
you can't be pattering
they can't be pattering	I can't have pattered
you can't have pattered
he can't have pattered
we can't have pattered
you can't have pattered
they can't have pattered	I can't have been pattering
you can't have been pattering
he can't have been pattering
we can't have been pattering
you can't have been pattering
they can't have been pattering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I patter?
can you patter?
can he patter?
can we patter?
can you patter?
can they patter? 	can I be pattering?
can you be pattering?
can he be pattering?
can we be pattering?
can you be pattering?
can they be pattering? 	can I have pattered?
can you have pattered?
can he 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 he 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't I patter?
can't you patter?
can't he patter?
can't we patter?
can't you patter?
can't they patter? 	can't I be pattering?
can't you be pattering?
can't he be pattering?
can't we be pattering?
can't you be pattering?
can't they be pattering? 	can't I have pattered?
can't you have pattered?
can't he have pattered?
can't we have pattered?
can't you have pattered?
can't they have pattered? 	can't I have been pattering?
can't you have been pattering?
can't he have been pattering?
can't we have been pattering?
can't you have been pattering?
can't they have been pattering?