English verb conjugation
COULD UNVEIL

Regular verb: unveil - unveiled - unveiled

Affirmation

Simple form	V-ing form
I could unveil you could unveil he could unveil we could unveil you could unveil they could unveil	I could be unveiling you could be unveiling he could be unveiling we could be unveiling you could be unveiling they could be unveiling
Perfect	V-ing perfect
I could have unveiled you could have unveiled he could have unveiled we could have unveiled you could have unveiled they could have unveiled	I could have been unveiling you could have been unveiling he could have been unveiling we could have been unveiling you could have been unveiling they could have been unveiling

Negation

Simple form	V-ing form
I couldn't unveil you couldn't unveil he couldn't unveil we couldn't unveil you couldn't unveil they couldn't unveil	I couldn't be unveiling you couldn't be unveiling he couldn't be unveiling we couldn't be unveiling you couldn't be unveiling they couldn't be unveiling
Perfect	V-ing perfect
I couldn't have unveiled you couldn't have unveiled he couldn't have unveiled we couldn't have unveiled you couldn't have unveiled they couldn't have unveiled	I couldn't have been unveiling you couldn't have been unveiling he couldn't have been unveiling we couldn't have been unveiling you couldn't have been unveiling they couldn't have been unveiling

Interrogative form

Simple form	V-ing form
could I unveil? could you unveil? could he unveil? could we unveil? could you unveil? could they unveil?	could I be unveiling? could you be unveiling? could he be unveiling? could we be unveiling? could you be unveiling? could they be unveiling?
Perfect	V-ing perfect
could I have unveiled? could you have unveiled? could he have unveiled? could we have unveiled? could you have unveiled? could they have unveiled?	could I have been unveiling? could you have been unveiling? could he have been unveiling? could we have been unveiling? could you have been unveiling? could they have been unveiling?

Interro-negative form

Simple form	V-ing form
couldn't I unveil? couldn't you unveil? couldn't he unveil? couldn't we unveil? couldn't you unveil? couldn't they unveil?	couldn't I be unveiling? couldn't you be unveiling? couldn't he be unveiling? couldn't we be unveiling? couldn't you be unveiling? couldn't they be unveiling?
Perfect	V-ing perfect
couldn't I have unveiled? couldn't you have unveiled? couldn't he have unveiled? couldn't we have unveiled? couldn't you have unveiled? couldn't they have unveiled?	couldn't I have been unveiling? couldn't you have been unveiling? couldn't he have been unveiling? couldn't we have been unveiling? couldn't you have been unveiling? couldn't they have been unveiling?