English verb conjugation
CAN WHARF

Regular verb: wharf - wharfed - wharfed

Affirmation

Simple form	V-ing form
I can wharf you can wharf he can wharf we can wharf you can wharf they can wharf	I can be wharfing you can be wharfing he can be wharfing we can be wharfing you can be wharfing they can be wharfing
Perfect	V-ing perfect
I can have wharfed you can have wharfed he can have wharfed we can have wharfed you can have wharfed they can have wharfed	I can have been wharfing you can have been wharfing he can have been wharfing we can have been wharfing you can have been wharfing they can have been wharfing

Negation

Simple form	V-ing form
I can't wharf you can't wharf he can't wharf we can't wharf you can't wharf they can't wharf	I can't be wharfing you can't be wharfing he can't be wharfing we can't be wharfing you can't be wharfing they can't be wharfing
Perfect	V-ing perfect
I can't have wharfed you can't have wharfed he can't have wharfed we can't have wharfed you can't have wharfed they can't have wharfed	I can't have been wharfing you can't have been wharfing he can't have been wharfing we can't have been wharfing you can't have been wharfing they can't have been wharfing

Interrogative form

Simple form	V-ing form
can I wharf? can you wharf? can he wharf? can we wharf? can you wharf? can they wharf?	can I be wharfing? can you be wharfing? can he be wharfing? can we be wharfing? can you be wharfing? can they be wharfing?
Perfect	V-ing perfect
can I have wharfed? can you have wharfed? can he have wharfed? can we have wharfed? can you have wharfed? can they have wharfed?	can I have been wharfing? can you have been wharfing? can he have been wharfing? can we have been wharfing? can you have been wharfing? can they have been wharfing?

Interro-negative form

Simple form	V-ing form
can't I wharf? can't you wharf? can't he wharf? can't we wharf? can't you wharf? can't they wharf?	can't I be wharfing? can't you be wharfing? can't he be wharfing? can't we be wharfing? can't you be wharfing? can't they be wharfing?
Perfect	V-ing perfect
can't I have wharfed? can't you have wharfed? can't he have wharfed? can't we have wharfed? can't you have wharfed? can't they have wharfed?	can't I have been wharfing? can't you have been wharfing? can't he have been wharfing? can't we have been wharfing? can't you have been wharfing? can't they have been wharfing?