English verb conjugation
COULD SLEEVE

Regular verb: sleeve - sleeved - sleeved

Affirmation

Simple form	V-ing form
I could sleeve you could sleeve he could sleeve we could sleeve you could sleeve they could sleeve	I could be sleeving you could be sleeving he 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 he 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 he 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 he 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 he 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 he 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 he 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 he sleeve? could we sleeve? could you sleeve? could they sleeve?	could I be sleeving? could you be sleeving? could he 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 he 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 he 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 he 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 he 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 he 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 he have been sleeving? couldn't we have been sleeving? couldn't you have been sleeving? couldn't they have been sleeving?