English verb conjugation
MUST NIGH

Regular verb: nigh - nighed - nighed

Affirmation

Simple form	V-ing form
I must nigh you must nigh he must nigh we must nigh you must nigh they must nigh	I must be nighing you must be nighing he must be nighing we must be nighing you must be nighing they must be nighing
Perfect	V-ing perfect
I must have nighed you must have nighed he must have nighed we must have nighed you must have nighed they must have nighed	I must have been nighing you must have been nighing he must have been nighing we must have been nighing you must have been nighing they must have been nighing

Negation

Simple form	V-ing form
I mustn't nigh you mustn't nigh he mustn't nigh we mustn't nigh you mustn't nigh they mustn't nigh	I mustn't be nighing you mustn't be nighing he mustn't be nighing we mustn't be nighing you mustn't be nighing they mustn't be nighing
Perfect	V-ing perfect
I mustn't have nighed you mustn't have nighed he mustn't have nighed we mustn't have nighed you mustn't have nighed they mustn't have nighed	I mustn't have been nighing you mustn't have been nighing he mustn't have been nighing we mustn't have been nighing you mustn't have been nighing they mustn't have been nighing

Interrogative form

Simple form	V-ing form
must I nigh? must you nigh? must he nigh? must we nigh? must you nigh? must they nigh?	must I be nighing? must you be nighing? must he be nighing? must we be nighing? must you be nighing? must they be nighing?
Perfect	V-ing perfect
must I have nighed? must you have nighed? must he have nighed? must we have nighed? must you have nighed? must they have nighed?	must I have been nighing? must you have been nighing? must he have been nighing? must we have been nighing? must you have been nighing? must they have been nighing?

Interro-negative form

Simple form	V-ing form
mustn't I nigh? mustn't you nigh? mustn't he nigh? mustn't we nigh? mustn't you nigh? mustn't they nigh?	mustn't I be nighing? mustn't you be nighing? mustn't he be nighing? mustn't we be nighing? mustn't you be nighing? mustn't they be nighing?
Perfect	V-ing perfect
mustn't I have nighed? mustn't you have nighed? mustn't he have nighed? mustn't we have nighed? mustn't you have nighed? mustn't they have nighed?	mustn't I have been nighing? mustn't you have been nighing? mustn't he have been nighing? mustn't we have been nighing? mustn't you have been nighing? mustn't they have been nighing?