I must refreeze you must refreeze he must refreeze we must refreeze you must refreeze they must refreeze
V-ing form
I must be refreezing you must be refreezing he must be refreezing we must be refreezing you must be refreezing they must be refreezing
Perfect
I must have refreezed you must have refreezed he must have refreezed we must have refreezed you must have refreezed they must have refreezed
V-ing perfect
I must have been refreezing you must have been refreezing he must have been refreezing we must have been refreezing you must have been refreezing they must have been refreezing
Negation
Simple form
I must not refreeze you must not refreeze he must not refreeze we must not refreeze you must not refreeze they must not refreeze
V-ing form
I must not be refreezing you must not be refreezing he must not be refreezing we must not be refreezing you must not be refreezing they must not be refreezing
Perfect
I must not have refreezed you must not have refreezed he must not have refreezed we must not have refreezed you must not have refreezed they must not have refreezed
V-ing perfect
I must not have been refreezing you must not have been refreezing he must not have been refreezing we must not have been refreezing you must not have been refreezing they must not have been refreezing
Interrogative form
Simple form
must I refreeze? must you refreeze? must he refreeze? must we refreeze? must you refreeze? must they refreeze?
V-ing form
must I be refreezing? must you be refreezing? must he be refreezing? must we be refreezing? must you be refreezing? must they be refreezing?
Perfect
must I have refreezed? must you have refreezed? must he have refreezed? must we have refreezed? must you have refreezed? must they have refreezed?
V-ing perfect
must I have been refreezing? must you have been refreezing? must he have been refreezing? must we have been refreezing? must you have been refreezing? must they have been refreezing?
Interro-negative form
Simple form
must I not refreeze? must you not refreeze? must he not refreeze? must we not refreeze? must you not refreeze? must they not refreeze?
V-ing form
must I not be refreezing? must you not be refreezing? must he not be refreezing? must we not be refreezing? must you not be refreezing? must they not be refreezing?
Perfect
must I not have refreezed? must you not have refreezed? must he not have refreezed? must we not have refreezed? must you not have refreezed? must they not have refreezed?
V-ing perfect
must I not have been refreezing? must you not have been refreezing? must he not have been refreezing? must we not have been refreezing? must you not have been refreezing? must they not have been refreezing?