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 can't curvet you can't curvet she can't curvet we can't curvet you can't curvet they can't curvet	I can't be curveting you can't be curveting she can't be curveting we can't be curveting you can't be curveting they can't be curveting
Perfect	V-ing perfect
I can't have curveted you can't have curveted she can't have curveted we can't have curveted you can't have curveted they can't have curveted	I can't have been curveting you can't have been curveting she can't have been curveting we can't have been curveting you can't have been curveting they can't 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't I curvet? can't you curvet? can't she curvet? can't we curvet? can't you curvet? can't they curvet?	can't I be curveting? can't you be curveting? can't she be curveting? can't we be curveting? can't you be curveting? can't they be curveting?
Perfect	V-ing perfect
can't I have curveted? can't you have curveted? can't she have curveted? can't we have curveted? can't you have curveted? can't they have curveted?	can't I have been curveting? can't you have been curveting? can't she have been curveting? can't we have been curveting? can't you have been curveting? can't they have been curveting?