English verb conjugation
CAN VEX

Regular verb: vex - vexed - vexed

Affirmation

Simple form	V-ing form
I can vex you can vex she can vex we can vex you can vex they can vex	I can be vexing you can be vexing she can be vexing we can be vexing you can be vexing they can be vexing
Perfect	V-ing perfect
I can have vexed you can have vexed she can have vexed we can have vexed you can have vexed they can have vexed	I can have been vexing you can have been vexing she can have been vexing we can have been vexing you can have been vexing they can have been vexing

Negation

Simple form	V-ing form
I can't vex you can't vex she can't vex we can't vex you can't vex they can't vex	I can't be vexing you can't be vexing she can't be vexing we can't be vexing you can't be vexing they can't be vexing
Perfect	V-ing perfect
I can't have vexed you can't have vexed she can't have vexed we can't have vexed you can't have vexed they can't have vexed	I can't have been vexing you can't have been vexing she can't have been vexing we can't have been vexing you can't have been vexing they can't have been vexing

Interrogative form

Simple form	V-ing form
can I vex? can you vex? can she vex? can we vex? can you vex? can they vex?	can I be vexing? can you be vexing? can she be vexing? can we be vexing? can you be vexing? can they be vexing?
Perfect	V-ing perfect
can I have vexed? can you have vexed? can she have vexed? can we have vexed? can you have vexed? can they have vexed?	can I have been vexing? can you have been vexing? can she have been vexing? can we have been vexing? can you have been vexing? can they have been vexing?

Interro-negative form

Simple form	V-ing form
can't I vex? can't you vex? can't she vex? can't we vex? can't you vex? can't they vex?	can't I be vexing? can't you be vexing? can't she be vexing? can't we be vexing? can't you be vexing? can't they be vexing?
Perfect	V-ing perfect
can't I have vexed? can't you have vexed? can't she have vexed? can't we have vexed? can't you have vexed? can't they have vexed?	can't I have been vexing? can't you have been vexing? can't she have been vexing? can't we have been vexing? can't you have been vexing? can't they have been vexing?