I must planish you must planish she must planish we must planish you must planish they must planish
V-ing form
I must be planishing you must be planishing she must be planishing we must be planishing you must be planishing they must be planishing
Perfect
I must have planished you must have planished she must have planished we must have planished you must have planished they must have planished
V-ing perfect
I must have been planishing you must have been planishing she must have been planishing we must have been planishing you must have been planishing they must have been planishing
Negation
Simple form
I must not planish you must not planish she must not planish we must not planish you must not planish they must not planish
V-ing form
I must not be planishing you must not be planishing she must not be planishing we must not be planishing you must not be planishing they must not be planishing
Perfect
I must not have planished you must not have planished she must not have planished we must not have planished you must not have planished they must not have planished
V-ing perfect
I must not have been planishing you must not have been planishing she must not have been planishing we must not have been planishing you must not have been planishing they must not have been planishing
Interrogative form
Simple form
must I planish? must you planish? must she planish? must we planish? must you planish? must they planish?
V-ing form
must I be planishing? must you be planishing? must she be planishing? must we be planishing? must you be planishing? must they be planishing?
Perfect
must I have planished? must you have planished? must she have planished? must we have planished? must you have planished? must they have planished?
V-ing perfect
must I have been planishing? must you have been planishing? must she have been planishing? must we have been planishing? must you have been planishing? must they have been planishing?
Interro-negative form
Simple form
must I not planish? must you not planish? must she not planish? must we not planish? must you not planish? must they not planish?
V-ing form
must I not be planishing? must you not be planishing? must she not be planishing? must we not be planishing? must you not be planishing? must they not be planishing?
Perfect
must I not have planished? must you not have planished? must she not have planished? must we not have planished? must you not have planished? must they not have planished?
V-ing perfect
must I not have been planishing? must you not have been planishing? must she not have been planishing? must we not have been planishing? must you not have been planishing? must they not have been planishing?