English verb conjugation
CAN AVER

Regular verb: aver - averred - averred

Affirmation

Simple form	V-ing form
I can aver you can aver he can aver we can aver you can aver they can aver	I can be averring you can be averring he can be averring we can be averring you can be averring they can be averring
Perfect	V-ing perfect
I can have averred you can have averred he can have averred we can have averred you can have averred they can have averred	I can have been averring you can have been averring he can have been averring we can have been averring you can have been averring they can have been averring

Negation

Simple form	V-ing form
I can't aver you can't aver he can't aver we can't aver you can't aver they can't aver	I can't be averring you can't be averring he can't be averring we can't be averring you can't be averring they can't be averring
Perfect	V-ing perfect
I can't have averred you can't have averred he can't have averred we can't have averred you can't have averred they can't have averred	I can't have been averring you can't have been averring he can't have been averring we can't have been averring you can't have been averring they can't have been averring

Interrogative form

Simple form	V-ing form
can I aver? can you aver? can he aver? can we aver? can you aver? can they aver?	can I be averring? can you be averring? can he be averring? can we be averring? can you be averring? can they be averring?
Perfect	V-ing perfect
can I have averred? can you have averred? can he have averred? can we have averred? can you have averred? can they have averred?	can I have been averring? can you have been averring? can he have been averring? can we have been averring? can you have been averring? can they have been averring?

Interro-negative form

Simple form	V-ing form
can't I aver? can't you aver? can't he aver? can't we aver? can't you aver? can't they aver?	can't I be averring? can't you be averring? can't he be averring? can't we be averring? can't you be averring? can't they be averring?
Perfect	V-ing perfect
can't I have averred? can't you have averred? can't he have averred? can't we have averred? can't you have averred? can't they have averred?	can't I have been averring? can't you have been averring? can't he have been averring? can't we have been averring? can't you have been averring? can't they have been averring?