I must masticate you must masticate she must masticate we must masticate you must masticate they must masticate
Forme en V-ing
I must be masticating you must be masticating she must be masticating we must be masticating you must be masticating they must be masticating
Perfect
I must have masticated you must have masticated she must have masticated we must have masticated you must have masticated they must have masticated
Perfect en V-ing
I must have been masticating you must have been masticating she must have been masticating we must have been masticating you must have been masticating they must have been masticating
Négation
Forme simple
I must not masticate you must not masticate she must not masticate we must not masticate you must not masticate they must not masticate
Forme en V-ing
I must not be masticating you must not be masticating she must not be masticating we must not be masticating you must not be masticating they must not be masticating
Perfect
I must not have masticated you must not have masticated she must not have masticated we must not have masticated you must not have masticated they must not have masticated
Perfect en V-ing
I must not have been masticating you must not have been masticating she must not have been masticating we must not have been masticating you must not have been masticating they must not have been masticating
Forme interrogative
Forme simple
must I masticate? must you masticate? must she masticate? must we masticate? must you masticate? must they masticate?
Forme en V-ing
must I be masticating? must you be masticating? must she be masticating? must we be masticating? must you be masticating? must they be masticating?
Perfect
must I have masticated? must you have masticated? must she have masticated? must we have masticated? must you have masticated? must they have masticated?
Perfect en V-ing
must I have been masticating? must you have been masticating? must she have been masticating? must we have been masticating? must you have been masticating? must they have been masticating?
Forme interro-négative
Forme simple
must I not masticate? must you not masticate? must she not masticate? must we not masticate? must you not masticate? must they not masticate?
Forme en V-ing
must I not be masticating? must you not be masticating? must she not be masticating? must we not be masticating? must you not be masticating? must they not be masticating?
Perfect
must I not have masticated? must you not have masticated? must she not have masticated? must we not have masticated? must you not have masticated? must they not have masticated?
Perfect en V-ing
must I not have been masticating? must you not have been masticating? must she not have been masticating? must we not have been masticating? must you not have been masticating? must they not have been masticating?