I must hint you must hint he must hint we must hint you must hint they must hint
V-ing form
I must be hinting you must be hinting he must be hinting we must be hinting you must be hinting they must be hinting
Perfect
I must have hinted you must have hinted he must have hinted we must have hinted you must have hinted they must have hinted
V-ing perfect
I must have been hinting you must have been hinting he must have been hinting we must have been hinting you must have been hinting they must have been hinting
Negation
Simple form
I must not hint you must not hint he must not hint we must not hint you must not hint they must not hint
V-ing form
I must not be hinting you must not be hinting he must not be hinting we must not be hinting you must not be hinting they must not be hinting
Perfect
I must not have hinted you must not have hinted he must not have hinted we must not have hinted you must not have hinted they must not have hinted
V-ing perfect
I must not have been hinting you must not have been hinting he must not have been hinting we must not have been hinting you must not have been hinting they must not have been hinting
Interrogative form
Simple form
must I hint? must you hint? must he hint? must we hint? must you hint? must they hint?
V-ing form
must I be hinting? must you be hinting? must he be hinting? must we be hinting? must you be hinting? must they be hinting?
Perfect
must I have hinted? must you have hinted? must he have hinted? must we have hinted? must you have hinted? must they have hinted?
V-ing perfect
must I have been hinting? must you have been hinting? must he have been hinting? must we have been hinting? must you have been hinting? must they have been hinting?
Interro-negative form
Simple form
must I not hint? must you not hint? must he not hint? must we not hint? must you not hint? must they not hint?
V-ing form
must I not be hinting? must you not be hinting? must he not be hinting? must we not be hinting? must you not be hinting? must they not be hinting?
Perfect
must I not have hinted? must you not have hinted? must he not have hinted? must we not have hinted? must you not have hinted? must they not have hinted?
V-ing perfect
must I not have been hinting? must you not have been hinting? must he not have been hinting? must we not have been hinting? must you not have been hinting? must they not have been hinting?