I must nourish you must nourish she must nourish we must nourish you must nourish they must nourish
V-ing form
I must be nourishing you must be nourishing she must be nourishing we must be nourishing you must be nourishing they must be nourishing
Perfect
I must have nourished you must have nourished she must have nourished we must have nourished you must have nourished they must have nourished
V-ing perfect
I must have been nourishing you must have been nourishing she must have been nourishing we must have been nourishing you must have been nourishing they must have been nourishing
Negation
Simple form
I must not nourish you must not nourish she must not nourish we must not nourish you must not nourish they must not nourish
V-ing form
I must not be nourishing you must not be nourishing she must not be nourishing we must not be nourishing you must not be nourishing they must not be nourishing
Perfect
I must not have nourished you must not have nourished she must not have nourished we must not have nourished you must not have nourished they must not have nourished
V-ing perfect
I must not have been nourishing you must not have been nourishing she must not have been nourishing we must not have been nourishing you must not have been nourishing they must not have been nourishing
Interrogative form
Simple form
must I nourish? must you nourish? must she nourish? must we nourish? must you nourish? must they nourish?
V-ing form
must I be nourishing? must you be nourishing? must she be nourishing? must we be nourishing? must you be nourishing? must they be nourishing?
Perfect
must I have nourished? must you have nourished? must she have nourished? must we have nourished? must you have nourished? must they have nourished?
V-ing perfect
must I have been nourishing? must you have been nourishing? must she have been nourishing? must we have been nourishing? must you have been nourishing? must they have been nourishing?
Interro-negative form
Simple form
must I not nourish? must you not nourish? must she not nourish? must we not nourish? must you not nourish? must they not nourish?
V-ing form
must I not be nourishing? must you not be nourishing? must she not be nourishing? must we not be nourishing? must you not be nourishing? must they not be nourishing?
Perfect
must I not have nourished? must you not have nourished? must she not have nourished? must we not have nourished? must you not have nourished? must they not have nourished?
V-ing perfect
must I not have been nourishing? must you not have been nourishing? must she not have been nourishing? must we not have been nourishing? must you not have been nourishing? must they not have been nourishing?