English verb conjugation
MUST TAR

Regular verb: tar - tarred - tarred

Affirmation

Simple form	V-ing form
I must tar you must tar he must tar we must tar you must tar they must tar	I must be tarring you must be tarring he 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 he 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 he 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 mustn't tar you mustn't tar he mustn't tar we mustn't tar you mustn't tar they mustn't tar	I mustn't be tarring you mustn't be tarring he mustn't be tarring we mustn't be tarring you mustn't be tarring they mustn't be tarring
Perfect	V-ing perfect
I mustn't have tarred you mustn't have tarred he mustn't have tarred we mustn't have tarred you mustn't have tarred they mustn't have tarred	I mustn't have been tarring you mustn't have been tarring he mustn't have been tarring we mustn't have been tarring you mustn't have been tarring they mustn't have been tarring

Interrogative form

Simple form	V-ing form
must I tar? must you tar? must he tar? must we tar? must you tar? must they tar?	must I be tarring? must you be tarring? must he 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 he 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 he 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
mustn't I tar? mustn't you tar? mustn't he tar? mustn't we tar? mustn't you tar? mustn't they tar?	mustn't I be tarring? mustn't you be tarring? mustn't he be tarring? mustn't we be tarring? mustn't you be tarring? mustn't they be tarring?
Perfect	V-ing perfect
mustn't I have tarred? mustn't you have tarred? mustn't he have tarred? mustn't we have tarred? mustn't you have tarred? mustn't they have tarred?	mustn't I have been tarring? mustn't you have been tarring? mustn't he have been tarring? mustn't we have been tarring? mustn't you have been tarring? mustn't they have been tarring?