English verb conjugation
CAN CURVET

Regular verb: curvet - curveted - curveted

Affirmation

Simple form	V-ing form
I can curvet you can curvet she can curvet we can curvet you can curvet they can curvet	I can be curveting you can be curveting she can be curveting we can be curveting you can be curveting they can be curveting
Perfect	V-ing perfect
I can have curveted you can have curveted she can have curveted we can have curveted you can have curveted they can have curveted	I can have been curveting you can have been curveting she can have been curveting we can have been curveting you can have been curveting they can have been curveting

Negation

Simple form	V-ing form
I cannot curvet you cannot curvet she cannot curvet we cannot curvet you cannot curvet they cannot curvet	I cannot be curveting you cannot be curveting she cannot be curveting we cannot be curveting you cannot be curveting they cannot be curveting
Perfect	V-ing perfect
I cannot have curveted you cannot have curveted she cannot have curveted we cannot have curveted you cannot have curveted they cannot have curveted	I cannot have been curveting you cannot have been curveting she cannot have been curveting we cannot have been curveting you cannot have been curveting they cannot have been curveting

Interrogative form

Simple form	V-ing form
can I curvet? can you curvet? can she curvet? can we curvet? can you curvet? can they curvet?	can I be curveting? can you be curveting? can she be curveting? can we be curveting? can you be curveting? can they be curveting?
Perfect	V-ing perfect
can I have curveted? can you have curveted? can she have curveted? can we have curveted? can you have curveted? can they have curveted?	can I have been curveting? can you have been curveting? can she have been curveting? can we have been curveting? can you have been curveting? can they have been curveting?

Interro-negative form

Simple form	V-ing form
can I not curvet? can you not curvet? can she not curvet? can we not curvet? can you not curvet? can they not curvet?	can I not be curveting? can you not be curveting? can she not be curveting? can we not be curveting? can you not be curveting? can they not be curveting?
Perfect	V-ing perfect
can I not have curveted? can you not have curveted? can she not have curveted? can we not have curveted? can you not have curveted? can they not have curveted?	can I not have been curveting? can you not have been curveting? can she not have been curveting? can we not have been curveting? can you not have been curveting? can they not have been curveting?