I must oversleep you must oversleep she must oversleep we must oversleep you must oversleep they must oversleep
V-ing form
I must be oversleeping you must be oversleeping she must be oversleeping we must be oversleeping you must be oversleeping they must be oversleeping
Perfect
I must have overslept you must have overslept she must have overslept we must have overslept you must have overslept they must have overslept
V-ing perfect
I must have been oversleeping you must have been oversleeping she must have been oversleeping we must have been oversleeping you must have been oversleeping they must have been oversleeping
Negation
Simple form
I must not oversleep you must not oversleep she must not oversleep we must not oversleep you must not oversleep they must not oversleep
V-ing form
I must not be oversleeping you must not be oversleeping she must not be oversleeping we must not be oversleeping you must not be oversleeping they must not be oversleeping
Perfect
I must not have overslept you must not have overslept she must not have overslept we must not have overslept you must not have overslept they must not have overslept
V-ing perfect
I must not have been oversleeping you must not have been oversleeping she must not have been oversleeping we must not have been oversleeping you must not have been oversleeping they must not have been oversleeping
Interrogative form
Simple form
must I oversleep? must you oversleep? must she oversleep? must we oversleep? must you oversleep? must they oversleep?
V-ing form
must I be oversleeping? must you be oversleeping? must she be oversleeping? must we be oversleeping? must you be oversleeping? must they be oversleeping?
Perfect
must I have overslept? must you have overslept? must she have overslept? must we have overslept? must you have overslept? must they have overslept?
V-ing perfect
must I have been oversleeping? must you have been oversleeping? must she have been oversleeping? must we have been oversleeping? must you have been oversleeping? must they have been oversleeping?
Interro-negative form
Simple form
must I not oversleep? must you not oversleep? must she not oversleep? must we not oversleep? must you not oversleep? must they not oversleep?
V-ing form
must I not be oversleeping? must you not be oversleeping? must she not be oversleeping? must we not be oversleeping? must you not be oversleeping? must they not be oversleeping?
Perfect
must I not have overslept? must you not have overslept? must she not have overslept? must we not have overslept? must you not have overslept? must they not have overslept?
V-ing perfect
must I not have been oversleeping? must you not have been oversleeping? must she not have been oversleeping? must we not have been oversleeping? must you not have been oversleeping? must they not have been oversleeping?