English verb conjugation
COULD VEGETATE

Regular verb: vegetate - vegetated - vegetated

Affirmation

Simple form	V-ing form
I could vegetate you could vegetate she could vegetate we could vegetate you could vegetate they could vegetate	I could be vegetating you could be vegetating she could be vegetating we could be vegetating you could be vegetating they could be vegetating
Perfect	V-ing perfect
I could have vegetated you could have vegetated she could have vegetated we could have vegetated you could have vegetated they could have vegetated	I could have been vegetating you could have been vegetating she could have been vegetating we could have been vegetating you could have been vegetating they could have been vegetating

Negation

Simple form	V-ing form
I couldn't vegetate you couldn't vegetate she couldn't vegetate we couldn't vegetate you couldn't vegetate they couldn't vegetate	I couldn't be vegetating you couldn't be vegetating she couldn't be vegetating we couldn't be vegetating you couldn't be vegetating they couldn't be vegetating
Perfect	V-ing perfect
I couldn't have vegetated you couldn't have vegetated she couldn't have vegetated we couldn't have vegetated you couldn't have vegetated they couldn't have vegetated	I couldn't have been vegetating you couldn't have been vegetating she couldn't have been vegetating we couldn't have been vegetating you couldn't have been vegetating they couldn't have been vegetating

Interrogative form

Simple form	V-ing form
could I vegetate? could you vegetate? could she vegetate? could we vegetate? could you vegetate? could they vegetate?	could I be vegetating? could you be vegetating? could she be vegetating? could we be vegetating? could you be vegetating? could they be vegetating?
Perfect	V-ing perfect
could I have vegetated? could you have vegetated? could she have vegetated? could we have vegetated? could you have vegetated? could they have vegetated?	could I have been vegetating? could you have been vegetating? could she have been vegetating? could we have been vegetating? could you have been vegetating? could they have been vegetating?

Interro-negative form

Simple form	V-ing form
couldn't I vegetate? couldn't you vegetate? couldn't she vegetate? couldn't we vegetate? couldn't you vegetate? couldn't they vegetate?	couldn't I be vegetating? couldn't you be vegetating? couldn't she be vegetating? couldn't we be vegetating? couldn't you be vegetating? couldn't they be vegetating?
Perfect	V-ing perfect
couldn't I have vegetated? couldn't you have vegetated? couldn't she have vegetated? couldn't we have vegetated? couldn't you have vegetated? couldn't they have vegetated?	couldn't I have been vegetating? couldn't you have been vegetating? couldn't she have been vegetating? couldn't we have been vegetating? couldn't you have been vegetating? couldn't they have been vegetating?