English verb conjugation
COULD RETOUCH

Regular verb: retouch - retouched - retouched

Affirmation

Simple form	V-ing form
I could retouch you could retouch he could retouch we could retouch you could retouch they could retouch	I could be retouching you could be retouching he could be retouching we could be retouching you could be retouching they could be retouching
Perfect	V-ing perfect
I could have retouched you could have retouched he could have retouched we could have retouched you could have retouched they could have retouched	I could have been retouching you could have been retouching he could have been retouching we could have been retouching you could have been retouching they could have been retouching

Negation

Simple form	V-ing form
I couldn't retouch you couldn't retouch he couldn't retouch we couldn't retouch you couldn't retouch they couldn't retouch	I couldn't be retouching you couldn't be retouching he couldn't be retouching we couldn't be retouching you couldn't be retouching they couldn't be retouching
Perfect	V-ing perfect
I couldn't have retouched you couldn't have retouched he couldn't have retouched we couldn't have retouched you couldn't have retouched they couldn't have retouched	I couldn't have been retouching you couldn't have been retouching he couldn't have been retouching we couldn't have been retouching you couldn't have been retouching they couldn't have been retouching

Interrogative form

Simple form	V-ing form
could I retouch? could you retouch? could he retouch? could we retouch? could you retouch? could they retouch?	could I be retouching? could you be retouching? could he be retouching? could we be retouching? could you be retouching? could they be retouching?
Perfect	V-ing perfect
could I have retouched? could you have retouched? could he have retouched? could we have retouched? could you have retouched? could they have retouched?	could I have been retouching? could you have been retouching? could he have been retouching? could we have been retouching? could you have been retouching? could they have been retouching?

Interro-negative form

Simple form	V-ing form
couldn't I retouch? couldn't you retouch? couldn't he retouch? couldn't we retouch? couldn't you retouch? couldn't they retouch?	couldn't I be retouching? couldn't you be retouching? couldn't he be retouching? couldn't we be retouching? couldn't you be retouching? couldn't they be retouching?
Perfect	V-ing perfect
couldn't I have retouched? couldn't you have retouched? couldn't he have retouched? couldn't we have retouched? couldn't you have retouched? couldn't they have retouched?	couldn't I have been retouching? couldn't you have been retouching? couldn't he have been retouching? couldn't we have been retouching? couldn't you have been retouching? couldn't they have been retouching?