English verb conjugation
MUST NOURISH

Regular verb: nourish - nourished - nourished

Affirmation

Simple form	V-ing form
I must nourish you must nourish he must nourish we must nourish you must nourish they must nourish	I must be nourishing you must be nourishing he must be nourishing we must be nourishing you must be nourishing they must be nourishing
Perfect	V-ing perfect
I must have nourished you must have nourished he must have nourished we must have nourished you must have nourished they must have nourished	I must have been nourishing you must have been nourishing he must have been nourishing we must have been nourishing you must have been nourishing they must have been nourishing

Negation

Simple form	V-ing form
I mustn't nourish you mustn't nourish he mustn't nourish we mustn't nourish you mustn't nourish they mustn't nourish	I mustn't be nourishing you mustn't be nourishing he mustn't be nourishing we mustn't be nourishing you mustn't be nourishing they mustn't be nourishing
Perfect	V-ing perfect
I mustn't have nourished you mustn't have nourished he mustn't have nourished we mustn't have nourished you mustn't have nourished they mustn't have nourished	I mustn't have been nourishing you mustn't have been nourishing he mustn't have been nourishing we mustn't have been nourishing you mustn't have been nourishing they mustn't have been nourishing

Interrogative form

Simple form	V-ing form
must I nourish? must you nourish? must he nourish? must we nourish? must you nourish? must they nourish?	must I be nourishing? must you be nourishing? must he be nourishing? must we be nourishing? must you be nourishing? must they be nourishing?
Perfect	V-ing perfect
must I have nourished? must you have nourished? must he have nourished? must we have nourished? must you have nourished? must they have nourished?	must I have been nourishing? must you have been nourishing? must he have been nourishing? must we have been nourishing? must you have been nourishing? must they have been nourishing?

Interro-negative form

Simple form	V-ing form
mustn't I nourish? mustn't you nourish? mustn't he nourish? mustn't we nourish? mustn't you nourish? mustn't they nourish?	mustn't I be nourishing? mustn't you be nourishing? mustn't he be nourishing? mustn't we be nourishing? mustn't you be nourishing? mustn't they be nourishing?
Perfect	V-ing perfect
mustn't I have nourished? mustn't you have nourished? mustn't he have nourished? mustn't we have nourished? mustn't you have nourished? mustn't they have nourished?	mustn't I have been nourishing? mustn't you have been nourishing? mustn't he have been nourishing? mustn't we have been nourishing? mustn't you have been nourishing? mustn't they have been nourishing?