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 couldn't pinch you couldn't pinch he couldn't pinch we couldn't pinch you couldn't pinch they couldn't pinch	I couldn't be pinching you couldn't be pinching he couldn't be pinching we couldn't be pinching you couldn't be pinching they couldn't be pinching
Perfect	V-ing perfect
I couldn't have pinched you couldn't have pinched he couldn't have pinched we couldn't have pinched you couldn't have pinched they couldn't have pinched	I couldn't have been pinching you couldn't have been pinching he couldn't have been pinching we couldn't have been pinching you couldn't have been pinching they couldn't 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
couldn't I pinch? couldn't you pinch? couldn't he pinch? couldn't we pinch? couldn't you pinch? couldn't they pinch?	couldn't I be pinching? couldn't you be pinching? couldn't he be pinching? couldn't we be pinching? couldn't you be pinching? couldn't they be pinching?
Perfect	V-ing perfect
couldn't I have pinched? couldn't you have pinched? couldn't he have pinched? couldn't we have pinched? couldn't you have pinched? couldn't they have pinched?	couldn't I have been pinching? couldn't you have been pinching? couldn't he have been pinching? couldn't we have been pinching? couldn't you have been pinching? couldn't they have been pinching?