English verb conjugation
CAN CURVET

Regular verb: curvet - curveted - curveted

Affirmation

Simple form	V-ing form
I can curvet you can curvet he can curvet we can curvet you can curvet they can curvet	I can be curveting you can be curveting he 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 he 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 he 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 he 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 he 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 he 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 he 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 he curvet? can we curvet? can you curvet? can they curvet?	can I be curveting? can you be curveting? can he 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 he 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 he 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 he 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 he 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 he 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 he have been curveting? can't we have been curveting? can't you have been curveting? can't they have been curveting?