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 can't chatter you can't chatter he can't chatter we can't chatter you can't chatter they can't chatter	I can't be chattering you can't be chattering he can't be chattering we can't be chattering you can't be chattering they can't be chattering
Perfect	V-ing perfect
I can't have chattered you can't have chattered he can't have chattered we can't have chattered you can't have chattered they can't have chattered	I can't have been chattering you can't have been chattering he can't have been chattering we can't have been chattering you can't have been chattering they can't 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't I chatter? can't you chatter? can't he chatter? can't we chatter? can't you chatter? can't they chatter?	can't I be chattering? can't you be chattering? can't he be chattering? can't we be chattering? can't you be chattering? can't they be chattering?
Perfect	V-ing perfect
can't I have chattered? can't you have chattered? can't he have chattered? can't we have chattered? can't you have chattered? can't they have chattered?	can't I have been chattering? can't you have been chattering? can't he have been chattering? can't we have been chattering? can't you have been chattering? can't they have been chattering?