I must release you must release she must release we must release you must release they must release
V-ing form
I must be releasing you must be releasing she must be releasing we must be releasing you must be releasing they must be releasing
Perfect
I must have released you must have released she must have released we must have released you must have released they must have released
V-ing perfect
I must have been releasing you must have been releasing she must have been releasing we must have been releasing you must have been releasing they must have been releasing
Negation
Simple form
I must not release you must not release she must not release we must not release you must not release they must not release
V-ing form
I must not be releasing you must not be releasing she must not be releasing we must not be releasing you must not be releasing they must not be releasing
Perfect
I must not have released you must not have released she must not have released we must not have released you must not have released they must not have released
V-ing perfect
I must not have been releasing you must not have been releasing she must not have been releasing we must not have been releasing you must not have been releasing they must not have been releasing
Interrogative form
Simple form
must I release? must you release? must she release? must we release? must you release? must they release?
V-ing form
must I be releasing? must you be releasing? must she be releasing? must we be releasing? must you be releasing? must they be releasing?
Perfect
must I have released? must you have released? must she have released? must we have released? must you have released? must they have released?
V-ing perfect
must I have been releasing? must you have been releasing? must she have been releasing? must we have been releasing? must you have been releasing? must they have been releasing?
Interro-negative form
Simple form
must I not release? must you not release? must she not release? must we not release? must you not release? must they not release?
V-ing form
must I not be releasing? must you not be releasing? must she not be releasing? must we not be releasing? must you not be releasing? must they not be releasing?
Perfect
must I not have released? must you not have released? must she not have released? must we not have released? must you not have released? must they not have released?
V-ing perfect
must I not have been releasing? must you not have been releasing? must she not have been releasing? must we not have been releasing? must you not have been releasing? must they not have been releasing?