Coniugazione del verbo inglese
MUST GRUB

Verbo regolare: grub - grubbed - grubbed

Affermazione

Forma semplice	Forma con V-ing
I must grub you must grub she must grub we must grub you must grub they must grub	I must be grubbing you must be grubbing she must be grubbing we must be grubbing you must be grubbing they must be grubbing
Perfetto	Perfetto con V-ing
I must have grubbed you must have grubbed she must have grubbed we must have grubbed you must have grubbed they must have grubbed	I must have been grubbing you must have been grubbing she must have been grubbing we must have been grubbing you must have been grubbing they must have been grubbing

Negazione

Forma semplice	Forma con V-ing
I must not grub you must not grub she must not grub we must not grub you must not grub they must not grub	I must not be grubbing you must not be grubbing she must not be grubbing we must not be grubbing you must not be grubbing they must not be grubbing
Perfetto	Perfetto con V-ing
I must not have grubbed you must not have grubbed she must not have grubbed we must not have grubbed you must not have grubbed they must not have grubbed	I must not have been grubbing you must not have been grubbing she must not have been grubbing we must not have been grubbing you must not have been grubbing they must not have been grubbing

Forma interrogativa

Forma semplice	Forma con V-ing
must I grub? must you grub? must she grub? must we grub? must you grub? must they grub?	must I be grubbing? must you be grubbing? must she be grubbing? must we be grubbing? must you be grubbing? must they be grubbing?
Perfetto	Perfetto con V-ing
must I have grubbed? must you have grubbed? must she have grubbed? must we have grubbed? must you have grubbed? must they have grubbed?	must I have been grubbing? must you have been grubbing? must she have been grubbing? must we have been grubbing? must you have been grubbing? must they have been grubbing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not grub? must you not grub? must she not grub? must we not grub? must you not grub? must they not grub?	must I not be grubbing? must you not be grubbing? must she not be grubbing? must we not be grubbing? must you not be grubbing? must they not be grubbing?
Perfetto	Perfetto con V-ing
must I not have grubbed? must you not have grubbed? must she not have grubbed? must we not have grubbed? must you not have grubbed? must they not have grubbed?	must I not have been grubbing? must you not have been grubbing? must she not have been grubbing? must we not have been grubbing? must you not have been grubbing? must they not have been grubbing?