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 cannot wax you cannot wax he cannot wax we cannot wax you cannot wax they cannot wax	I cannot be waxing you cannot be waxing he cannot be waxing we cannot be waxing you cannot be waxing they cannot be waxing
Perfect	V-ing perfect
I cannot have waxed you cannot have waxed he cannot have waxed we cannot have waxed you cannot have waxed they cannot have waxed	I cannot have been waxing you cannot have been waxing he cannot have been waxing we cannot have been waxing you cannot have been waxing they cannot 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 I not wax? can you not wax? can he not wax? can we not wax? can you not wax? can they not wax?	can I not be waxing? can you not be waxing? can he not be waxing? can we not be waxing? can you not be waxing? can they not be waxing?
Perfect	V-ing perfect
can I not have waxed? can you not have waxed? can he not have waxed? can we not have waxed? can you not have waxed? can they not have waxed?	can I not have been waxing? can you not have been waxing? can he not have been waxing? can we not have been waxing? can you not have been waxing? can they not have been waxing?