English verb conjugation
COULD INTRENCH

Regular verb: intrench - intrenched - intrenched

Affirmation

Simple form	V-ing form
I could intrench you could intrench she could intrench we could intrench you could intrench they could intrench	I could be intrenching you could be intrenching she 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 she 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 she 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 she 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 she 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 she 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 she 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 she intrench? could we intrench? could you intrench? could they intrench?	could I be intrenching? could you be intrenching? could she 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 she 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 she 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 she 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 she 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 she 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 she have been intrenching? couldn't we have been intrenching? couldn't you have been intrenching? couldn't they have been intrenching?