English verb conjugation
CAN WALTZ

Regular verb: waltz - waltzed - waltzed

Affirmation

Simple form	V-ing form
I can waltz you can waltz he can waltz we can waltz you can waltz they can waltz	I can be waltzing you can be waltzing he can be waltzing we can be waltzing you can be waltzing they can be waltzing
Perfect	V-ing perfect
I can have waltzed you can have waltzed he can have waltzed we can have waltzed you can have waltzed they can have waltzed	I can have been waltzing you can have been waltzing he can have been waltzing we can have been waltzing you can have been waltzing they can have been waltzing

Negation

Simple form	V-ing form
I cannot waltz you cannot waltz he cannot waltz we cannot waltz you cannot waltz they cannot waltz	I cannot be waltzing you cannot be waltzing he cannot be waltzing we cannot be waltzing you cannot be waltzing they cannot be waltzing
Perfect	V-ing perfect
I cannot have waltzed you cannot have waltzed he cannot have waltzed we cannot have waltzed you cannot have waltzed they cannot have waltzed	I cannot have been waltzing you cannot have been waltzing he cannot have been waltzing we cannot have been waltzing you cannot have been waltzing they cannot have been waltzing

Interrogative form

Simple form	V-ing form
can I waltz? can you waltz? can he waltz? can we waltz? can you waltz? can they waltz?	can I be waltzing? can you be waltzing? can he be waltzing? can we be waltzing? can you be waltzing? can they be waltzing?
Perfect	V-ing perfect
can I have waltzed? can you have waltzed? can he have waltzed? can we have waltzed? can you have waltzed? can they have waltzed?	can I have been waltzing? can you have been waltzing? can he have been waltzing? can we have been waltzing? can you have been waltzing? can they have been waltzing?

Interro-negative form

Simple form	V-ing form
can I not waltz? can you not waltz? can he not waltz? can we not waltz? can you not waltz? can they not waltz?	can I not be waltzing? can you not be waltzing? can he not be waltzing? can we not be waltzing? can you not be waltzing? can they not be waltzing?
Perfect	V-ing perfect
can I not have waltzed? can you not have waltzed? can he not have waltzed? can we not have waltzed? can you not have waltzed? can they not have waltzed?	can I not have been waltzing? can you not have been waltzing? can he not have been waltzing? can we not have been waltzing? can you not have been waltzing? can they not have been waltzing?