English verb conjugation
MUST INTRENCH

Regular verb: intrench - intrenched - intrenched

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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