English verb conjugation
CAN INCURVE

Regular verb: incurve - incurved - incurved

Affirmation

Simple form	V-ing form
I can incurve you can incurve he can incurve we can incurve you can incurve they can incurve	I can be incurving you can be incurving he can be incurving we can be incurving you can be incurving they can be incurving
Perfect	V-ing perfect
I can have incurved you can have incurved he can have incurved we can have incurved you can have incurved they can have incurved	I can have been incurving you can have been incurving he can have been incurving we can have been incurving you can have been incurving they can have been incurving

Negation

Simple form	V-ing form
I can't incurve you can't incurve he can't incurve we can't incurve you can't incurve they can't incurve	I can't be incurving you can't be incurving he can't be incurving we can't be incurving you can't be incurving they can't be incurving
Perfect	V-ing perfect
I can't have incurved you can't have incurved he can't have incurved we can't have incurved you can't have incurved they can't have incurved	I can't have been incurving you can't have been incurving he can't have been incurving we can't have been incurving you can't have been incurving they can't have been incurving

Interrogative form

Simple form	V-ing form
can I incurve? can you incurve? can he incurve? can we incurve? can you incurve? can they incurve?	can I be incurving? can you be incurving? can he be incurving? can we be incurving? can you be incurving? can they be incurving?
Perfect	V-ing perfect
can I have incurved? can you have incurved? can he have incurved? can we have incurved? can you have incurved? can they have incurved?	can I have been incurving? can you have been incurving? can he have been incurving? can we have been incurving? can you have been incurving? can they have been incurving?

Interro-negative form

Simple form	V-ing form
can't I incurve? can't you incurve? can't he incurve? can't we incurve? can't you incurve? can't they incurve?	can't I be incurving? can't you be incurving? can't he be incurving? can't we be incurving? can't you be incurving? can't they be incurving?
Perfect	V-ing perfect
can't I have incurved? can't you have incurved? can't he have incurved? can't we have incurved? can't you have incurved? can't they have incurved?	can't I have been incurving? can't you have been incurving? can't he have been incurving? can't we have been incurving? can't you have been incurving? can't they have been incurving?