English verb conjugation
MUST SLEDGEHAMMER

Regular verb: sledgehammer - sledgehammered - sledgehammered

Affirmation

Simple form	V-ing form
I must sledgehammer you must sledgehammer he must sledgehammer we must sledgehammer you must sledgehammer they must sledgehammer	I must be sledgehammering you must be sledgehammering he must be sledgehammering we must be sledgehammering you must be sledgehammering they must be sledgehammering
Perfect	V-ing perfect
I must have sledgehammered you must have sledgehammered he must have sledgehammered we must have sledgehammered you must have sledgehammered they must have sledgehammered	I must have been sledgehammering you must have been sledgehammering he must have been sledgehammering we must have been sledgehammering you must have been sledgehammering they must have been sledgehammering

Negation

Simple form	V-ing form
I must not sledgehammer you must not sledgehammer he must not sledgehammer we must not sledgehammer you must not sledgehammer they must not sledgehammer	I must not be sledgehammering you must not be sledgehammering he must not be sledgehammering we must not be sledgehammering you must not be sledgehammering they must not be sledgehammering
Perfect	V-ing perfect
I must not have sledgehammered you must not have sledgehammered he must not have sledgehammered we must not have sledgehammered you must not have sledgehammered they must not have sledgehammered	I must not have been sledgehammering you must not have been sledgehammering he must not have been sledgehammering we must not have been sledgehammering you must not have been sledgehammering they must not have been sledgehammering

Interrogative form

Simple form	V-ing form
must I sledgehammer? must you sledgehammer? must he sledgehammer? must we sledgehammer? must you sledgehammer? must they sledgehammer?	must I be sledgehammering? must you be sledgehammering? must he be sledgehammering? must we be sledgehammering? must you be sledgehammering? must they be sledgehammering?
Perfect	V-ing perfect
must I have sledgehammered? must you have sledgehammered? must he have sledgehammered? must we have sledgehammered? must you have sledgehammered? must they have sledgehammered?	must I have been sledgehammering? must you have been sledgehammering? must he have been sledgehammering? must we have been sledgehammering? must you have been sledgehammering? must they have been sledgehammering?

Interro-negative form

Simple form	V-ing form
must I not sledgehammer? must you not sledgehammer? must he not sledgehammer? must we not sledgehammer? must you not sledgehammer? must they not sledgehammer?	must I not be sledgehammering? must you not be sledgehammering? must he not be sledgehammering? must we not be sledgehammering? must you not be sledgehammering? must they not be sledgehammering?
Perfect	V-ing perfect
must I not have sledgehammered? must you not have sledgehammered? must he not have sledgehammered? must we not have sledgehammered? must you not have sledgehammered? must they not have sledgehammered?	must I not have been sledgehammering? must you not have been sledgehammering? must he not have been sledgehammering? must we not have been sledgehammering? must you not have been sledgehammering? must they not have been sledgehammering?