English verb conjugation
CAN CLATTER

Regular verb: clatter - clattered - clattered

Affirmation

Simple form	V-ing form
I can clatter you can clatter she can clatter we can clatter you can clatter they can clatter	I can be clattering you can be clattering she can be clattering we can be clattering you can be clattering they can be clattering
Perfect	V-ing perfect
I can have clattered you can have clattered she can have clattered we can have clattered you can have clattered they can have clattered	I can have been clattering you can have been clattering she can have been clattering we can have been clattering you can have been clattering they can have been clattering

Negation

Simple form	V-ing form
I can't clatter you can't clatter she can't clatter we can't clatter you can't clatter they can't clatter	I can't be clattering you can't be clattering she can't be clattering we can't be clattering you can't be clattering they can't be clattering
Perfect	V-ing perfect
I can't have clattered you can't have clattered she can't have clattered we can't have clattered you can't have clattered they can't have clattered	I can't have been clattering you can't have been clattering she can't have been clattering we can't have been clattering you can't have been clattering they can't have been clattering

Interrogative form

Simple form	V-ing form
can I clatter? can you clatter? can she clatter? can we clatter? can you clatter? can they clatter?	can I be clattering? can you be clattering? can she be clattering? can we be clattering? can you be clattering? can they be clattering?
Perfect	V-ing perfect
can I have clattered? can you have clattered? can she have clattered? can we have clattered? can you have clattered? can they have clattered?	can I have been clattering? can you have been clattering? can she have been clattering? can we have been clattering? can you have been clattering? can they have been clattering?

Interro-negative form

Simple form	V-ing form
can't I clatter? can't you clatter? can't she clatter? can't we clatter? can't you clatter? can't they clatter?	can't I be clattering? can't you be clattering? can't she be clattering? can't we be clattering? can't you be clattering? can't they be clattering?
Perfect	V-ing perfect
can't I have clattered? can't you have clattered? can't she have clattered? can't we have clattered? can't you have clattered? can't they have clattered?	can't I have been clattering? can't you have been clattering? can't she have been clattering? can't we have been clattering? can't you have been clattering? can't they have been clattering?