English verb conjugation
CAN CHATTER

Regular verb: chatter - chattered - chattered

Affirmation

Simple form	V-ing form
I can chatter you can chatter he can chatter we can chatter you can chatter they can chatter	I can be chattering you can be chattering he can be chattering we can be chattering you can be chattering they can be chattering
Perfect	V-ing perfect
I can have chattered you can have chattered he can have chattered we can have chattered you can have chattered they can have chattered	I can have been chattering you can have been chattering he can have been chattering we can have been chattering you can have been chattering they can have been chattering

Negation

Simple form	V-ing form
I cannot chatter you cannot chatter he cannot chatter we cannot chatter you cannot chatter they cannot chatter	I cannot be chattering you cannot be chattering he cannot be chattering we cannot be chattering you cannot be chattering they cannot be chattering
Perfect	V-ing perfect
I cannot have chattered you cannot have chattered he cannot have chattered we cannot have chattered you cannot have chattered they cannot have chattered	I cannot have been chattering you cannot have been chattering he cannot have been chattering we cannot have been chattering you cannot have been chattering they cannot have been chattering

Interrogative form

Simple form	V-ing form
can I chatter? can you chatter? can he chatter? can we chatter? can you chatter? can they chatter?	can I be chattering? can you be chattering? can he be chattering? can we be chattering? can you be chattering? can they be chattering?
Perfect	V-ing perfect
can I have chattered? can you have chattered? can he have chattered? can we have chattered? can you have chattered? can they have chattered?	can I have been chattering? can you have been chattering? can he have been chattering? can we have been chattering? can you have been chattering? can they have been chattering?

Interro-negative form

Simple form	V-ing form
can I not chatter? can you not chatter? can he not chatter? can we not chatter? can you not chatter? can they not chatter?	can I not be chattering? can you not be chattering? can he not be chattering? can we not be chattering? can you not be chattering? can they not be chattering?
Perfect	V-ing perfect
can I not have chattered? can you not have chattered? can he not have chattered? can we not have chattered? can you not have chattered? can they not have chattered?	can I not have been chattering? can you not have been chattering? can he not have been chattering? can we not have been chattering? can you not have been chattering? can they not have been chattering?