I could extravasate you could extravasate he could extravasate we could extravasate you could extravasate they could extravasate
V-ing form
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
I could have extravasated you could have extravasated he could have extravasated we could have extravasated you could have extravasated they could have extravasated
V-ing perfect
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
I could not extravasate you could not extravasate he could not extravasate we could not extravasate you could not extravasate they could not extravasate
V-ing form
I could not be extravasating you could not be extravasating he could not be extravasating we could not be extravasating you could not be extravasating they could not be extravasating
Perfect
I could not have extravasated you could not have extravasated he could not have extravasated we could not have extravasated you could not have extravasated they could not have extravasated
V-ing perfect
I could not have been extravasating you could not have been extravasating he could not have been extravasating we could not have been extravasating you could not have been extravasating they could not have been extravasating
Interrogative form
Simple form
could I extravasate? could you extravasate? could he extravasate? could we extravasate? could you extravasate? could they extravasate?
V-ing form
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
could I have extravasated? could you have extravasated? could he have extravasated? could we have extravasated? could you have extravasated? could they have extravasated?
V-ing perfect
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
could I not extravasate? could you not extravasate? could he not extravasate? could we not extravasate? could you not extravasate? could they not extravasate?
V-ing form
could I not be extravasating? could you not be extravasating? could he not be extravasating? could we not be extravasating? could you not be extravasating? could they not be extravasating?
Perfect
could I not have extravasated? could you not have extravasated? could he not have extravasated? could we not have extravasated? could you not have extravasated? could they not have extravasated?
V-ing perfect
could I not have been extravasating? could you not have been extravasating? could he not have been extravasating? could we not have been extravasating? could you not have been extravasating? could they not have been extravasating?