I must mishandle you must mishandle she must mishandle we must mishandle you must mishandle they must mishandle
V-ing form
I must be mishandling you must be mishandling she must be mishandling we must be mishandling you must be mishandling they must be mishandling
Perfect
I must have mishandled you must have mishandled she must have mishandled we must have mishandled you must have mishandled they must have mishandled
V-ing perfect
I must have been mishandling you must have been mishandling she must have been mishandling we must have been mishandling you must have been mishandling they must have been mishandling
Negation
Simple form
I must not mishandle you must not mishandle she must not mishandle we must not mishandle you must not mishandle they must not mishandle
V-ing form
I must not be mishandling you must not be mishandling she must not be mishandling we must not be mishandling you must not be mishandling they must not be mishandling
Perfect
I must not have mishandled you must not have mishandled she must not have mishandled we must not have mishandled you must not have mishandled they must not have mishandled
V-ing perfect
I must not have been mishandling you must not have been mishandling she must not have been mishandling we must not have been mishandling you must not have been mishandling they must not have been mishandling
Interrogative form
Simple form
must I mishandle? must you mishandle? must she mishandle? must we mishandle? must you mishandle? must they mishandle?
V-ing form
must I be mishandling? must you be mishandling? must she be mishandling? must we be mishandling? must you be mishandling? must they be mishandling?
Perfect
must I have mishandled? must you have mishandled? must she have mishandled? must we have mishandled? must you have mishandled? must they have mishandled?
V-ing perfect
must I have been mishandling? must you have been mishandling? must she have been mishandling? must we have been mishandling? must you have been mishandling? must they have been mishandling?
Interro-negative form
Simple form
must I not mishandle? must you not mishandle? must she not mishandle? must we not mishandle? must you not mishandle? must they not mishandle?
V-ing form
must I not be mishandling? must you not be mishandling? must she not be mishandling? must we not be mishandling? must you not be mishandling? must they not be mishandling?
Perfect
must I not have mishandled? must you not have mishandled? must she not have mishandled? must we not have mishandled? must you not have mishandled? must they not have mishandled?
V-ing perfect
must I not have been mishandling? must you not have been mishandling? must she not have been mishandling? must we not have been mishandling? must you not have been mishandling? must they not have been mishandling?