can natter
Regular verb: natter - nattered- nattered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can natter
you can natter
she can natter
we can natter
you can natter
they can natter 	I can be nattering
you can be nattering
she can be nattering
we can be nattering
you can be nattering
they can be nattering	I can have nattered
you can have nattered
she can have nattered
we can have nattered
you can have nattered
they can have nattered	I can have been nattering
you can have been nattering
she can have been nattering
we can have been nattering
you can have been nattering
they can have been nattering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't natter
you can't natter
she can't natter
we can't natter
you can't natter
they can't natter 	I can't be nattering
you can't be nattering
she can't be nattering
we can't be nattering
you can't be nattering
they can't be nattering	I can't have nattered
you can't have nattered
she can't have nattered
we can't have nattered
you can't have nattered
they can't have nattered	I can't have been nattering
you can't have been nattering
she can't have been nattering
we can't have been nattering
you can't have been nattering
they can't have been nattering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I natter?
can you natter?
can she natter?
can we natter?
can you natter?
can they natter? 	can I be nattering?
can you be nattering?
can she be nattering?
can we be nattering?
can you be nattering?
can they be nattering? 	can I have nattered?
can you have nattered?
can she have nattered?
can we have nattered?
can you have nattered?
can they have nattered? 	can I have been nattering?
can you have been nattering?
can she have been nattering?
can we have been nattering?
can you have been nattering?
can they have been nattering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I natter?
can't you natter?
can't she natter?
can't we natter?
can't you natter?
can't they natter? 	can't I be nattering?
can't you be nattering?
can't she be nattering?
can't we be nattering?
can't you be nattering?
can't they be nattering? 	can't I have nattered?
can't you have nattered?
can't she have nattered?
can't we have nattered?
can't you have nattered?
can't they have nattered? 	can't I have been nattering?
can't you have been nattering?
can't she have been nattering?
can't we have been nattering?
can't you have been nattering?
can't they have been nattering?