English verb conjugation
COULD EXTRAVASATE

Regular verb: extravasate - extravasated - extravasated

Affirmation

Simple form	V-ing form
I could extravasate you could extravasate he could extravasate we could extravasate you could extravasate they could extravasate	I could be extravasating you could be extravasating he could be extravasating we could be extravasating you could be extravasating they could be extravasating
Perfect	V-ing perfect
I could have extravasated you could have extravasated he could have extravasated we could have extravasated you could have extravasated they could have extravasated	I could have been extravasating you could have been extravasating he could have been extravasating we could have been extravasating you could have been extravasating they could have been extravasating

Negation

Simple form	V-ing form
I couldn't extravasate you couldn't extravasate he couldn't extravasate we couldn't extravasate you couldn't extravasate they couldn't extravasate	I couldn't be extravasating you couldn't be extravasating he couldn't be extravasating we couldn't be extravasating you couldn't be extravasating they couldn't be extravasating
Perfect	V-ing perfect
I couldn't have extravasated you couldn't have extravasated he couldn't have extravasated we couldn't have extravasated you couldn't have extravasated they couldn't have extravasated	I couldn't have been extravasating you couldn't have been extravasating he couldn't have been extravasating we couldn't have been extravasating you couldn't have been extravasating they couldn't have been extravasating

Interrogative form

Simple form	V-ing form
could I extravasate? could you extravasate? could he extravasate? could we extravasate? could you extravasate? could they extravasate?	could I be extravasating? could you be extravasating? could he be extravasating? could we be extravasating? could you be extravasating? could they be extravasating?
Perfect	V-ing perfect
could I have extravasated? could you have extravasated? could he have extravasated? could we have extravasated? could you have extravasated? could they have extravasated?	could I have been extravasating? could you have been extravasating? could he have been extravasating? could we have been extravasating? could you have been extravasating? could they have been extravasating?

Interro-negative form

Simple form	V-ing form
couldn't I extravasate? couldn't you extravasate? couldn't he extravasate? couldn't we extravasate? couldn't you extravasate? couldn't they extravasate?	couldn't I be extravasating? couldn't you be extravasating? couldn't he be extravasating? couldn't we be extravasating? couldn't you be extravasating? couldn't they be extravasating?
Perfect	V-ing perfect
couldn't I have extravasated? couldn't you have extravasated? couldn't he have extravasated? couldn't we have extravasated? couldn't you have extravasated? couldn't they have extravasated?	couldn't I have been extravasating? couldn't you have been extravasating? couldn't he have been extravasating? couldn't we have been extravasating? couldn't you have been extravasating? couldn't they have been extravasating?