I must buckle you must buckle she must buckle we must buckle you must buckle they must buckle
Forma con V-ing
I must be buckling you must be buckling she must be buckling we must be buckling you must be buckling they must be buckling
Perfetto
I must have buckled you must have buckled she must have buckled we must have buckled you must have buckled they must have buckled
Perfetto con V-ing
I must have been buckling you must have been buckling she must have been buckling we must have been buckling you must have been buckling they must have been buckling
Negazione
Forma semplice
I must not buckle you must not buckle she must not buckle we must not buckle you must not buckle they must not buckle
Forma con V-ing
I must not be buckling you must not be buckling she must not be buckling we must not be buckling you must not be buckling they must not be buckling
Perfetto
I must not have buckled you must not have buckled she must not have buckled we must not have buckled you must not have buckled they must not have buckled
Perfetto con V-ing
I must not have been buckling you must not have been buckling she must not have been buckling we must not have been buckling you must not have been buckling they must not have been buckling
Forma interrogativa
Forma semplice
must I buckle? must you buckle? must she buckle? must we buckle? must you buckle? must they buckle?
Forma con V-ing
must I be buckling? must you be buckling? must she be buckling? must we be buckling? must you be buckling? must they be buckling?
Perfetto
must I have buckled? must you have buckled? must she have buckled? must we have buckled? must you have buckled? must they have buckled?
Perfetto con V-ing
must I have been buckling? must you have been buckling? must she have been buckling? must we have been buckling? must you have been buckling? must they have been buckling?
Forma interro-negativa
Forma semplice
must I not buckle? must you not buckle? must she not buckle? must we not buckle? must you not buckle? must they not buckle?
Forma con V-ing
must I not be buckling? must you not be buckling? must she not be buckling? must we not be buckling? must you not be buckling? must they not be buckling?
Perfetto
must I not have buckled? must you not have buckled? must she not have buckled? must we not have buckled? must you not have buckled? must they not have buckled?
Perfetto con V-ing
must I not have been buckling? must you not have been buckling? must she not have been buckling? must we not have been buckling? must you not have been buckling? must they not have been buckling?