English verb conjugation
COULD PRESS

Regular verb: press - pressed - pressed

Affirmation

Simple form	V-ing form
I could press you could press he could press we could press you could press they could press	I could be pressing you could be pressing he could be pressing we could be pressing you could be pressing they could be pressing
Perfect	V-ing perfect
I could have pressed you could have pressed he could have pressed we could have pressed you could have pressed they could have pressed	I could have been pressing you could have been pressing he could have been pressing we could have been pressing you could have been pressing they could have been pressing

Negation

Simple form	V-ing form
I could not press you could not press he could not press we could not press you could not press they could not press	I could not be pressing you could not be pressing he could not be pressing we could not be pressing you could not be pressing they could not be pressing
Perfect	V-ing perfect
I could not have pressed you could not have pressed he could not have pressed we could not have pressed you could not have pressed they could not have pressed	I could not have been pressing you could not have been pressing he could not have been pressing we could not have been pressing you could not have been pressing they could not have been pressing

Interrogative form

Simple form	V-ing form
could I press? could you press? could he press? could we press? could you press? could they press?	could I be pressing? could you be pressing? could he be pressing? could we be pressing? could you be pressing? could they be pressing?
Perfect	V-ing perfect
could I have pressed? could you have pressed? could he have pressed? could we have pressed? could you have pressed? could they have pressed?	could I have been pressing? could you have been pressing? could he have been pressing? could we have been pressing? could you have been pressing? could they have been pressing?

Interro-negative form

Simple form	V-ing form
could I not press? could you not press? could he not press? could we not press? could you not press? could they not press?	could I not be pressing? could you not be pressing? could he not be pressing? could we not be pressing? could you not be pressing? could they not be pressing?
Perfect	V-ing perfect
could I not have pressed? could you not have pressed? could he not have pressed? could we not have pressed? could you not have pressed? could they not have pressed?	could I not have been pressing? could you not have been pressing? could he not have been pressing? could we not have been pressing? could you not have been pressing? could they not have been pressing?