Conjugação do verbo inglês
MUST PREEN

Verbo regular: preen - preened - preened

Afirmação

Forma simple	Forma com V-ing
I must preen you must preen he must preen we must preen you must preen they must preen	I must be preening you must be preening he must be preening we must be preening you must be preening they must be preening
Perfeito	Perfeito com V-ing
I must have preened you must have preened he must have preened we must have preened you must have preened they must have preened	I must have been preening you must have been preening he must have been preening we must have been preening you must have been preening they must have been preening

Negação

Forma simple	Forma com V-ing
I must not preen you must not preen he must not preen we must not preen you must not preen they must not preen	I must not be preening you must not be preening he must not be preening we must not be preening you must not be preening they must not be preening
Perfeito	Perfeito com V-ing
I must not have preened you must not have preened he must not have preened we must not have preened you must not have preened they must not have preened	I must not have been preening you must not have been preening he must not have been preening we must not have been preening you must not have been preening they must not have been preening

Forma interrogativa

Forma simple	Forma com V-ing
must I preen? must you preen? must he preen? must we preen? must you preen? must they preen?	must I be preening? must you be preening? must he be preening? must we be preening? must you be preening? must they be preening?
Perfeito	Perfeito com V-ing
must I have preened? must you have preened? must he have preened? must we have preened? must you have preened? must they have preened?	must I have been preening? must you have been preening? must he have been preening? must we have been preening? must you have been preening? must they have been preening?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not preen? must you not preen? must he not preen? must we not preen? must you not preen? must they not preen?	must I not be preening? must you not be preening? must he not be preening? must we not be preening? must you not be preening? must they not be preening?
Perfeito	Perfeito com V-ing
must I not have preened? must you not have preened? must he not have preened? must we not have preened? must you not have preened? must they not have preened?	must I not have been preening? must you not have been preening? must he not have been preening? must we not have been preening? must you not have been preening? must they not have been preening?