English verb conjugation
COULD CIRCUMVALLATE

Regular verb: circumvallate - circumvallated - circumvallated

Affirmation

Simple form	V-ing form
I could circumvallate you could circumvallate he could circumvallate we could circumvallate you could circumvallate they could circumvallate	I could be circumvallating you could be circumvallating he could be circumvallating we could be circumvallating you could be circumvallating they could be circumvallating
Perfect	V-ing perfect
I could have circumvallated you could have circumvallated he could have circumvallated we could have circumvallated you could have circumvallated they could have circumvallated	I could have been circumvallating you could have been circumvallating he could have been circumvallating we could have been circumvallating you could have been circumvallating they could have been circumvallating

Negation

Simple form	V-ing form
I could not circumvallate you could not circumvallate he could not circumvallate we could not circumvallate you could not circumvallate they could not circumvallate	I could not be circumvallating you could not be circumvallating he could not be circumvallating we could not be circumvallating you could not be circumvallating they could not be circumvallating
Perfect	V-ing perfect
I could not have circumvallated you could not have circumvallated he could not have circumvallated we could not have circumvallated you could not have circumvallated they could not have circumvallated	I could not have been circumvallating you could not have been circumvallating he could not have been circumvallating we could not have been circumvallating you could not have been circumvallating they could not have been circumvallating

Interrogative form

Simple form	V-ing form
could I circumvallate? could you circumvallate? could he circumvallate? could we circumvallate? could you circumvallate? could they circumvallate?	could I be circumvallating? could you be circumvallating? could he be circumvallating? could we be circumvallating? could you be circumvallating? could they be circumvallating?
Perfect	V-ing perfect
could I have circumvallated? could you have circumvallated? could he have circumvallated? could we have circumvallated? could you have circumvallated? could they have circumvallated?	could I have been circumvallating? could you have been circumvallating? could he have been circumvallating? could we have been circumvallating? could you have been circumvallating? could they have been circumvallating?

Interro-negative form

Simple form	V-ing form
could I not circumvallate? could you not circumvallate? could he not circumvallate? could we not circumvallate? could you not circumvallate? could they not circumvallate?	could I not be circumvallating? could you not be circumvallating? could he not be circumvallating? could we not be circumvallating? could you not be circumvallating? could they not be circumvallating?
Perfect	V-ing perfect
could I not have circumvallated? could you not have circumvallated? could he not have circumvallated? could we not have circumvallated? could you not have circumvallated? could they not have circumvallated?	could I not have been circumvallating? could you not have been circumvallating? could he not have been circumvallating? could we not have been circumvallating? could you not have been circumvallating? could they not have been circumvallating?