I must impose you must impose she must impose we must impose you must impose they must impose
V-ing form
I must be imposing you must be imposing she must be imposing we must be imposing you must be imposing they must be imposing
Perfect
I must have imposed you must have imposed she must have imposed we must have imposed you must have imposed they must have imposed
V-ing perfect
I must have been imposing you must have been imposing she must have been imposing we must have been imposing you must have been imposing they must have been imposing
Negation
Simple form
I must not impose you must not impose she must not impose we must not impose you must not impose they must not impose
V-ing form
I must not be imposing you must not be imposing she must not be imposing we must not be imposing you must not be imposing they must not be imposing
Perfect
I must not have imposed you must not have imposed she must not have imposed we must not have imposed you must not have imposed they must not have imposed
V-ing perfect
I must not have been imposing you must not have been imposing she must not have been imposing we must not have been imposing you must not have been imposing they must not have been imposing
Interrogative form
Simple form
must I impose? must you impose? must she impose? must we impose? must you impose? must they impose?
V-ing form
must I be imposing? must you be imposing? must she be imposing? must we be imposing? must you be imposing? must they be imposing?
Perfect
must I have imposed? must you have imposed? must she have imposed? must we have imposed? must you have imposed? must they have imposed?
V-ing perfect
must I have been imposing? must you have been imposing? must she have been imposing? must we have been imposing? must you have been imposing? must they have been imposing?
Interro-negative form
Simple form
must I not impose? must you not impose? must she not impose? must we not impose? must you not impose? must they not impose?
V-ing form
must I not be imposing? must you not be imposing? must she not be imposing? must we not be imposing? must you not be imposing? must they not be imposing?
Perfect
must I not have imposed? must you not have imposed? must she not have imposed? must we not have imposed? must you not have imposed? must they not have imposed?
V-ing perfect
must I not have been imposing? must you not have been imposing? must she not have been imposing? must we not have been imposing? must you not have been imposing? must they not have been imposing?