English verb conjugation
COULD INTRENCH

Regular verb: intrench - intrenched - intrenched

Affirmation

Simple form	V-ing form
I could intrench you could intrench he could intrench we could intrench you could intrench they could intrench	I could be intrenching you could be intrenching he could be intrenching we could be intrenching you could be intrenching they could be intrenching
Perfect	V-ing perfect
I could have intrenched you could have intrenched he could have intrenched we could have intrenched you could have intrenched they could have intrenched	I could have been intrenching you could have been intrenching he could have been intrenching we could have been intrenching you could have been intrenching they could have been intrenching

Negation

Simple form	V-ing form
I couldn't intrench you couldn't intrench he couldn't intrench we couldn't intrench you couldn't intrench they couldn't intrench	I couldn't be intrenching you couldn't be intrenching he couldn't be intrenching we couldn't be intrenching you couldn't be intrenching they couldn't be intrenching
Perfect	V-ing perfect
I couldn't have intrenched you couldn't have intrenched he couldn't have intrenched we couldn't have intrenched you couldn't have intrenched they couldn't have intrenched	I couldn't have been intrenching you couldn't have been intrenching he couldn't have been intrenching we couldn't have been intrenching you couldn't have been intrenching they couldn't have been intrenching

Interrogative form

Simple form	V-ing form
could I intrench? could you intrench? could he intrench? could we intrench? could you intrench? could they intrench?	could I be intrenching? could you be intrenching? could he be intrenching? could we be intrenching? could you be intrenching? could they be intrenching?
Perfect	V-ing perfect
could I have intrenched? could you have intrenched? could he have intrenched? could we have intrenched? could you have intrenched? could they have intrenched?	could I have been intrenching? could you have been intrenching? could he have been intrenching? could we have been intrenching? could you have been intrenching? could they have been intrenching?

Interro-negative form

Simple form	V-ing form
couldn't I intrench? couldn't you intrench? couldn't he intrench? couldn't we intrench? couldn't you intrench? couldn't they intrench?	couldn't I be intrenching? couldn't you be intrenching? couldn't he be intrenching? couldn't we be intrenching? couldn't you be intrenching? couldn't they be intrenching?
Perfect	V-ing perfect
couldn't I have intrenched? couldn't you have intrenched? couldn't he have intrenched? couldn't we have intrenched? couldn't you have intrenched? couldn't they have intrenched?	couldn't I have been intrenching? couldn't you have been intrenching? couldn't he have been intrenching? couldn't we have been intrenching? couldn't you have been intrenching? couldn't they have been intrenching?