English verb conjugation
COULD ENCYST

Regular verb: encyst - encysted - encysted

Affirmation

Simple form	V-ing form
I could encyst you could encyst he could encyst we could encyst you could encyst they could encyst	I could be encysting you could be encysting he could be encysting we could be encysting you could be encysting they could be encysting
Perfect	V-ing perfect
I could have encysted you could have encysted he could have encysted we could have encysted you could have encysted they could have encysted	I could have been encysting you could have been encysting he could have been encysting we could have been encysting you could have been encysting they could have been encysting

Negation

Simple form	V-ing form
I could not encyst you could not encyst he could not encyst we could not encyst you could not encyst they could not encyst	I could not be encysting you could not be encysting he could not be encysting we could not be encysting you could not be encysting they could not be encysting
Perfect	V-ing perfect
I could not have encysted you could not have encysted he could not have encysted we could not have encysted you could not have encysted they could not have encysted	I could not have been encysting you could not have been encysting he could not have been encysting we could not have been encysting you could not have been encysting they could not have been encysting

Interrogative form

Simple form	V-ing form
could I encyst? could you encyst? could he encyst? could we encyst? could you encyst? could they encyst?	could I be encysting? could you be encysting? could he be encysting? could we be encysting? could you be encysting? could they be encysting?
Perfect	V-ing perfect
could I have encysted? could you have encysted? could he have encysted? could we have encysted? could you have encysted? could they have encysted?	could I have been encysting? could you have been encysting? could he have been encysting? could we have been encysting? could you have been encysting? could they have been encysting?

Interro-negative form

Simple form	V-ing form
could I not encyst? could you not encyst? could he not encyst? could we not encyst? could you not encyst? could they not encyst?	could I not be encysting? could you not be encysting? could he not be encysting? could we not be encysting? could you not be encysting? could they not be encysting?
Perfect	V-ing perfect
could I not have encysted? could you not have encysted? could he not have encysted? could we not have encysted? could you not have encysted? could they not have encysted?	could I not have been encysting? could you not have been encysting? could he not have been encysting? could we not have been encysting? could you not have been encysting? could they not have been encysting?