English verb conjugation
CAN WAX

Regular verb: wax - waxed - waxed

Affirmation

Simple form	V-ing form
I can wax you can wax he can wax we can wax you can wax they can wax	I can be waxing you can be waxing he can be waxing we can be waxing you can be waxing they can be waxing
Perfect	V-ing perfect
I can have waxed you can have waxed he can have waxed we can have waxed you can have waxed they can have waxed	I can have been waxing you can have been waxing he can have been waxing we can have been waxing you can have been waxing they can have been waxing

Negation

Simple form	V-ing form
I can't wax you can't wax he can't wax we can't wax you can't wax they can't wax	I can't be waxing you can't be waxing he can't be waxing we can't be waxing you can't be waxing they can't be waxing
Perfect	V-ing perfect
I can't have waxed you can't have waxed he can't have waxed we can't have waxed you can't have waxed they can't have waxed	I can't have been waxing you can't have been waxing he can't have been waxing we can't have been waxing you can't have been waxing they can't have been waxing

Interrogative form

Simple form	V-ing form
can I wax? can you wax? can he wax? can we wax? can you wax? can they wax?	can I be waxing? can you be waxing? can he be waxing? can we be waxing? can you be waxing? can they be waxing?
Perfect	V-ing perfect
can I have waxed? can you have waxed? can he have waxed? can we have waxed? can you have waxed? can they have waxed?	can I have been waxing? can you have been waxing? can he have been waxing? can we have been waxing? can you have been waxing? can they have been waxing?

Interro-negative form

Simple form	V-ing form
can't I wax? can't you wax? can't he wax? can't we wax? can't you wax? can't they wax?	can't I be waxing? can't you be waxing? can't he be waxing? can't we be waxing? can't you be waxing? can't they be waxing?
Perfect	V-ing perfect
can't I have waxed? can't you have waxed? can't he have waxed? can't we have waxed? can't you have waxed? can't they have waxed?	can't I have been waxing? can't you have been waxing? can't he have been waxing? can't we have been waxing? can't you have been waxing? can't they have been waxing?