English verb conjugation
COULD SLEEVE

Regular verb: sleeve - sleeved - sleeved

Affirmation

Simple form	V-ing form
I could sleeve you could sleeve she could sleeve we could sleeve you could sleeve they could sleeve	I could be sleeving you could be sleeving she could be sleeving we could be sleeving you could be sleeving they could be sleeving
Perfect	V-ing perfect
I could have sleeved you could have sleeved she could have sleeved we could have sleeved you could have sleeved they could have sleeved	I could have been sleeving you could have been sleeving she could have been sleeving we could have been sleeving you could have been sleeving they could have been sleeving

Negation

Simple form	V-ing form
I couldn't sleeve you couldn't sleeve she couldn't sleeve we couldn't sleeve you couldn't sleeve they couldn't sleeve	I couldn't be sleeving you couldn't be sleeving she couldn't be sleeving we couldn't be sleeving you couldn't be sleeving they couldn't be sleeving
Perfect	V-ing perfect
I couldn't have sleeved you couldn't have sleeved she couldn't have sleeved we couldn't have sleeved you couldn't have sleeved they couldn't have sleeved	I couldn't have been sleeving you couldn't have been sleeving she couldn't have been sleeving we couldn't have been sleeving you couldn't have been sleeving they couldn't have been sleeving

Interrogative form

Simple form	V-ing form
could I sleeve? could you sleeve? could she sleeve? could we sleeve? could you sleeve? could they sleeve?	could I be sleeving? could you be sleeving? could she be sleeving? could we be sleeving? could you be sleeving? could they be sleeving?
Perfect	V-ing perfect
could I have sleeved? could you have sleeved? could she have sleeved? could we have sleeved? could you have sleeved? could they have sleeved?	could I have been sleeving? could you have been sleeving? could she have been sleeving? could we have been sleeving? could you have been sleeving? could they have been sleeving?

Interro-negative form

Simple form	V-ing form
couldn't I sleeve? couldn't you sleeve? couldn't she sleeve? couldn't we sleeve? couldn't you sleeve? couldn't they sleeve?	couldn't I be sleeving? couldn't you be sleeving? couldn't she be sleeving? couldn't we be sleeving? couldn't you be sleeving? couldn't they be sleeving?
Perfect	V-ing perfect
couldn't I have sleeved? couldn't you have sleeved? couldn't she have sleeved? couldn't we have sleeved? couldn't you have sleeved? couldn't they have sleeved?	couldn't I have been sleeving? couldn't you have been sleeving? couldn't she have been sleeving? couldn't we have been sleeving? couldn't you have been sleeving? couldn't they have been sleeving?