English verb conjugation
MUST INTERARCH

Regular verb: interarch - interarched - interarched

Affirmation

Simple form	V-ing form
I must interarch you must interarch she must interarch we must interarch you must interarch they must interarch	I must be interarching you must be interarching she must be interarching we must be interarching you must be interarching they must be interarching
Perfect	V-ing perfect
I must have interarched you must have interarched she must have interarched we must have interarched you must have interarched they must have interarched	I must have been interarching you must have been interarching she must have been interarching we must have been interarching you must have been interarching they must have been interarching

Negation

Simple form	V-ing form
I must not interarch you must not interarch she must not interarch we must not interarch you must not interarch they must not interarch	I must not be interarching you must not be interarching she must not be interarching we must not be interarching you must not be interarching they must not be interarching
Perfect	V-ing perfect
I must not have interarched you must not have interarched she must not have interarched we must not have interarched you must not have interarched they must not have interarched	I must not have been interarching you must not have been interarching she must not have been interarching we must not have been interarching you must not have been interarching they must not have been interarching

Interrogative form

Simple form	V-ing form
must I interarch? must you interarch? must she interarch? must we interarch? must you interarch? must they interarch?	must I be interarching? must you be interarching? must she be interarching? must we be interarching? must you be interarching? must they be interarching?
Perfect	V-ing perfect
must I have interarched? must you have interarched? must she have interarched? must we have interarched? must you have interarched? must they have interarched?	must I have been interarching? must you have been interarching? must she have been interarching? must we have been interarching? must you have been interarching? must they have been interarching?

Interro-negative form

Simple form	V-ing form
must I not interarch? must you not interarch? must she not interarch? must we not interarch? must you not interarch? must they not interarch?	must I not be interarching? must you not be interarching? must she not be interarching? must we not be interarching? must you not be interarching? must they not be interarching?
Perfect	V-ing perfect
must I not have interarched? must you not have interarched? must she not have interarched? must we not have interarched? must you not have interarched? must they not have interarched?	must I not have been interarching? must you not have been interarching? must she not have been interarching? must we not have been interarching? must you not have been interarching? must they not have been interarching?