English verb conjugation
COULD PINCH

Regular verb: pinch - pinched - pinched

Affirmation

Simple form	V-ing form
I could pinch you could pinch he could pinch we could pinch you could pinch they could pinch	I could be pinching you could be pinching he could be pinching we could be pinching you could be pinching they could be pinching
Perfect	V-ing perfect
I could have pinched you could have pinched he could have pinched we could have pinched you could have pinched they could have pinched	I could have been pinching you could have been pinching he could have been pinching we could have been pinching you could have been pinching they could have been pinching

Negation

Simple form	V-ing form
I could not pinch you could not pinch he could not pinch we could not pinch you could not pinch they could not pinch	I could not be pinching you could not be pinching he could not be pinching we could not be pinching you could not be pinching they could not be pinching
Perfect	V-ing perfect
I could not have pinched you could not have pinched he could not have pinched we could not have pinched you could not have pinched they could not have pinched	I could not have been pinching you could not have been pinching he could not have been pinching we could not have been pinching you could not have been pinching they could not have been pinching

Interrogative form

Simple form	V-ing form
could I pinch? could you pinch? could he pinch? could we pinch? could you pinch? could they pinch?	could I be pinching? could you be pinching? could he be pinching? could we be pinching? could you be pinching? could they be pinching?
Perfect	V-ing perfect
could I have pinched? could you have pinched? could he have pinched? could we have pinched? could you have pinched? could they have pinched?	could I have been pinching? could you have been pinching? could he have been pinching? could we have been pinching? could you have been pinching? could they have been pinching?

Interro-negative form

Simple form	V-ing form
could I not pinch? could you not pinch? could he not pinch? could we not pinch? could you not pinch? could they not pinch?	could I not be pinching? could you not be pinching? could he not be pinching? could we not be pinching? could you not be pinching? could they not be pinching?
Perfect	V-ing perfect
could I not have pinched? could you not have pinched? could he not have pinched? could we not have pinched? could you not have pinched? could they not have pinched?	could I not have been pinching? could you not have been pinching? could he not have been pinching? could we not have been pinching? could you not have been pinching? could they not have been pinching?