English verb conjugation
COULD RETRENCH

Regular verb: retrench - retrenched - retrenched

Affirmation

Simple form	V-ing form
I could retrench you could retrench she could retrench we could retrench you could retrench they could retrench	I could be retrenching you could be retrenching she could be retrenching we could be retrenching you could be retrenching they could be retrenching
Perfect	V-ing perfect
I could have retrenched you could have retrenched she could have retrenched we could have retrenched you could have retrenched they could have retrenched	I could have been retrenching you could have been retrenching she could have been retrenching we could have been retrenching you could have been retrenching they could have been retrenching

Negation

Simple form	V-ing form
I couldn't retrench you couldn't retrench she couldn't retrench we couldn't retrench you couldn't retrench they couldn't retrench	I couldn't be retrenching you couldn't be retrenching she couldn't be retrenching we couldn't be retrenching you couldn't be retrenching they couldn't be retrenching
Perfect	V-ing perfect
I couldn't have retrenched you couldn't have retrenched she couldn't have retrenched we couldn't have retrenched you couldn't have retrenched they couldn't have retrenched	I couldn't have been retrenching you couldn't have been retrenching she couldn't have been retrenching we couldn't have been retrenching you couldn't have been retrenching they couldn't have been retrenching

Interrogative form

Simple form	V-ing form
could I retrench? could you retrench? could she retrench? could we retrench? could you retrench? could they retrench?	could I be retrenching? could you be retrenching? could she be retrenching? could we be retrenching? could you be retrenching? could they be retrenching?
Perfect	V-ing perfect
could I have retrenched? could you have retrenched? could she have retrenched? could we have retrenched? could you have retrenched? could they have retrenched?	could I have been retrenching? could you have been retrenching? could she have been retrenching? could we have been retrenching? could you have been retrenching? could they have been retrenching?

Interro-negative form

Simple form	V-ing form
couldn't I retrench? couldn't you retrench? couldn't she retrench? couldn't we retrench? couldn't you retrench? couldn't they retrench?	couldn't I be retrenching? couldn't you be retrenching? couldn't she be retrenching? couldn't we be retrenching? couldn't you be retrenching? couldn't they be retrenching?
Perfect	V-ing perfect
couldn't I have retrenched? couldn't you have retrenched? couldn't she have retrenched? couldn't we have retrenched? couldn't you have retrenched? couldn't they have retrenched?	couldn't I have been retrenching? couldn't you have been retrenching? couldn't she have been retrenching? couldn't we have been retrenching? couldn't you have been retrenching? couldn't they have been retrenching?