English verb conjugation
COULD ENTRENCH

Regular verb: entrench - entrenched - entrenched

Affirmation

Simple form	V-ing form
I could entrench you could entrench he could entrench we could entrench you could entrench they could entrench	I could be entrenching you could be entrenching he could be entrenching we could be entrenching you could be entrenching they could be entrenching
Perfect	V-ing perfect
I could have entrenched you could have entrenched he could have entrenched we could have entrenched you could have entrenched they could have entrenched	I could have been entrenching you could have been entrenching he could have been entrenching we could have been entrenching you could have been entrenching they could have been entrenching

Negation

Simple form	V-ing form
I couldn't entrench you couldn't entrench he couldn't entrench we couldn't entrench you couldn't entrench they couldn't entrench	I couldn't be entrenching you couldn't be entrenching he couldn't be entrenching we couldn't be entrenching you couldn't be entrenching they couldn't be entrenching
Perfect	V-ing perfect
I couldn't have entrenched you couldn't have entrenched he couldn't have entrenched we couldn't have entrenched you couldn't have entrenched they couldn't have entrenched	I couldn't have been entrenching you couldn't have been entrenching he couldn't have been entrenching we couldn't have been entrenching you couldn't have been entrenching they couldn't have been entrenching

Interrogative form

Simple form	V-ing form
could I entrench? could you entrench? could he entrench? could we entrench? could you entrench? could they entrench?	could I be entrenching? could you be entrenching? could he be entrenching? could we be entrenching? could you be entrenching? could they be entrenching?
Perfect	V-ing perfect
could I have entrenched? could you have entrenched? could he have entrenched? could we have entrenched? could you have entrenched? could they have entrenched?	could I have been entrenching? could you have been entrenching? could he have been entrenching? could we have been entrenching? could you have been entrenching? could they have been entrenching?

Interro-negative form

Simple form	V-ing form
couldn't I entrench? couldn't you entrench? couldn't he entrench? couldn't we entrench? couldn't you entrench? couldn't they entrench?	couldn't I be entrenching? couldn't you be entrenching? couldn't he be entrenching? couldn't we be entrenching? couldn't you be entrenching? couldn't they be entrenching?
Perfect	V-ing perfect
couldn't I have entrenched? couldn't you have entrenched? couldn't he have entrenched? couldn't we have entrenched? couldn't you have entrenched? couldn't they have entrenched?	couldn't I have been entrenching? couldn't you have been entrenching? couldn't he have been entrenching? couldn't we have been entrenching? couldn't you have been entrenching? couldn't they have been entrenching?