English verb conjugation
MUST HAMPER

Regular verb: hamper - hampered - hampered

Affirmation

Simple form	V-ing form
I must hamper you must hamper he must hamper we must hamper you must hamper they must hamper	I must be hampering you must be hampering he must be hampering we must be hampering you must be hampering they must be hampering
Perfect	V-ing perfect
I must have hampered you must have hampered he must have hampered we must have hampered you must have hampered they must have hampered	I must have been hampering you must have been hampering he must have been hampering we must have been hampering you must have been hampering they must have been hampering

Negation

Simple form	V-ing form
I must not hamper you must not hamper he must not hamper we must not hamper you must not hamper they must not hamper	I must not be hampering you must not be hampering he must not be hampering we must not be hampering you must not be hampering they must not be hampering
Perfect	V-ing perfect
I must not have hampered you must not have hampered he must not have hampered we must not have hampered you must not have hampered they must not have hampered	I must not have been hampering you must not have been hampering he must not have been hampering we must not have been hampering you must not have been hampering they must not have been hampering

Interrogative form

Simple form	V-ing form
must I hamper? must you hamper? must he hamper? must we hamper? must you hamper? must they hamper?	must I be hampering? must you be hampering? must he be hampering? must we be hampering? must you be hampering? must they be hampering?
Perfect	V-ing perfect
must I have hampered? must you have hampered? must he have hampered? must we have hampered? must you have hampered? must they have hampered?	must I have been hampering? must you have been hampering? must he have been hampering? must we have been hampering? must you have been hampering? must they have been hampering?

Interro-negative form

Simple form	V-ing form
must I not hamper? must you not hamper? must he not hamper? must we not hamper? must you not hamper? must they not hamper?	must I not be hampering? must you not be hampering? must he not be hampering? must we not be hampering? must you not be hampering? must they not be hampering?
Perfect	V-ing perfect
must I not have hampered? must you not have hampered? must he not have hampered? must we not have hampered? must you not have hampered? must they not have hampered?	must I not have been hampering? must you not have been hampering? must he not have been hampering? must we not have been hampering? must you not have been hampering? must they not have been hampering?