I must patchwork you must patchwork he must patchwork we must patchwork you must patchwork they must patchwork
V-ing form
I must be patchworking you must be patchworking he must be patchworking we must be patchworking you must be patchworking they must be patchworking
Perfect
I must have patchworked you must have patchworked he must have patchworked we must have patchworked you must have patchworked they must have patchworked
V-ing perfect
I must have been patchworking you must have been patchworking he must have been patchworking we must have been patchworking you must have been patchworking they must have been patchworking
Negation
Simple form
I must not patchwork you must not patchwork he must not patchwork we must not patchwork you must not patchwork they must not patchwork
V-ing form
I must not be patchworking you must not be patchworking he must not be patchworking we must not be patchworking you must not be patchworking they must not be patchworking
Perfect
I must not have patchworked you must not have patchworked he must not have patchworked we must not have patchworked you must not have patchworked they must not have patchworked
V-ing perfect
I must not have been patchworking you must not have been patchworking he must not have been patchworking we must not have been patchworking you must not have been patchworking they must not have been patchworking
Interrogative form
Simple form
must I patchwork? must you patchwork? must he patchwork? must we patchwork? must you patchwork? must they patchwork?
V-ing form
must I be patchworking? must you be patchworking? must he be patchworking? must we be patchworking? must you be patchworking? must they be patchworking?
Perfect
must I have patchworked? must you have patchworked? must he have patchworked? must we have patchworked? must you have patchworked? must they have patchworked?
V-ing perfect
must I have been patchworking? must you have been patchworking? must he have been patchworking? must we have been patchworking? must you have been patchworking? must they have been patchworking?
Interro-negative form
Simple form
must I not patchwork? must you not patchwork? must he not patchwork? must we not patchwork? must you not patchwork? must they not patchwork?
V-ing form
must I not be patchworking? must you not be patchworking? must he not be patchworking? must we not be patchworking? must you not be patchworking? must they not be patchworking?
Perfect
must I not have patchworked? must you not have patchworked? must he not have patchworked? must we not have patchworked? must you not have patchworked? must they not have patchworked?
V-ing perfect
must I not have been patchworking? must you not have been patchworking? must he not have been patchworking? must we not have been patchworking? must you not have been patchworking? must they not have been patchworking?