English verb conjugation
MUST TAR

Regular verb: tar - tarred - tarred

Affirmation

Simple form	V-ing form
I must tar you must tar she must tar we must tar you must tar they must tar	I must be tarring you must be tarring she must be tarring we must be tarring you must be tarring they must be tarring
Perfect	V-ing perfect
I must have tarred you must have tarred she must have tarred we must have tarred you must have tarred they must have tarred	I must have been tarring you must have been tarring she must have been tarring we must have been tarring you must have been tarring they must have been tarring

Negation

Simple form	V-ing form
I must not tar you must not tar she must not tar we must not tar you must not tar they must not tar	I must not be tarring you must not be tarring she must not be tarring we must not be tarring you must not be tarring they must not be tarring
Perfect	V-ing perfect
I must not have tarred you must not have tarred she must not have tarred we must not have tarred you must not have tarred they must not have tarred	I must not have been tarring you must not have been tarring she must not have been tarring we must not have been tarring you must not have been tarring they must not have been tarring

Interrogative form

Simple form	V-ing form
must I tar? must you tar? must she tar? must we tar? must you tar? must they tar?	must I be tarring? must you be tarring? must she be tarring? must we be tarring? must you be tarring? must they be tarring?
Perfect	V-ing perfect
must I have tarred? must you have tarred? must she have tarred? must we have tarred? must you have tarred? must they have tarred?	must I have been tarring? must you have been tarring? must she have been tarring? must we have been tarring? must you have been tarring? must they have been tarring?

Interro-negative form

Simple form	V-ing form
must I not tar? must you not tar? must she not tar? must we not tar? must you not tar? must they not tar?	must I not be tarring? must you not be tarring? must she not be tarring? must we not be tarring? must you not be tarring? must they not be tarring?
Perfect	V-ing perfect
must I not have tarred? must you not have tarred? must she not have tarred? must we not have tarred? must you not have tarred? must they not have tarred?	must I not have been tarring? must you not have been tarring? must she not have been tarring? must we not have been tarring? must you not have been tarring? must they not have been tarring?