English verb conjugation
CAN VEST

Regular verb: vest - vested - vested

Affirmation

Simple form	V-ing form
I can vest you can vest he can vest we can vest you can vest they can vest	I can be vesting you can be vesting he can be vesting we can be vesting you can be vesting they can be vesting
Perfect	V-ing perfect
I can have vested you can have vested he can have vested we can have vested you can have vested they can have vested	I can have been vesting you can have been vesting he can have been vesting we can have been vesting you can have been vesting they can have been vesting

Negation

Simple form	V-ing form
I cannot vest you cannot vest he cannot vest we cannot vest you cannot vest they cannot vest	I cannot be vesting you cannot be vesting he cannot be vesting we cannot be vesting you cannot be vesting they cannot be vesting
Perfect	V-ing perfect
I cannot have vested you cannot have vested he cannot have vested we cannot have vested you cannot have vested they cannot have vested	I cannot have been vesting you cannot have been vesting he cannot have been vesting we cannot have been vesting you cannot have been vesting they cannot have been vesting

Interrogative form

Simple form	V-ing form
can I vest? can you vest? can he vest? can we vest? can you vest? can they vest?	can I be vesting? can you be vesting? can he be vesting? can we be vesting? can you be vesting? can they be vesting?
Perfect	V-ing perfect
can I have vested? can you have vested? can he have vested? can we have vested? can you have vested? can they have vested?	can I have been vesting? can you have been vesting? can he have been vesting? can we have been vesting? can you have been vesting? can they have been vesting?

Interro-negative form

Simple form	V-ing form
can I not vest? can you not vest? can he not vest? can we not vest? can you not vest? can they not vest?	can I not be vesting? can you not be vesting? can he not be vesting? can we not be vesting? can you not be vesting? can they not be vesting?
Perfect	V-ing perfect
can I not have vested? can you not have vested? can he not have vested? can we not have vested? can you not have vested? can they not have vested?	can I not have been vesting? can you not have been vesting? can he not have been vesting? can we not have been vesting? can you not have been vesting? can they not have been vesting?