Conjugação do verbo inglês
MUST SHARPEN

Verbo regular: sharpen - sharpened - sharpened

Afirmação

Forma simple	Forma com V-ing
I must sharpen you must sharpen he must sharpen we must sharpen you must sharpen they must sharpen	I must be sharpening you must be sharpening he must be sharpening we must be sharpening you must be sharpening they must be sharpening
Perfeito	Perfeito com V-ing
I must have sharpened you must have sharpened he must have sharpened we must have sharpened you must have sharpened they must have sharpened	I must have been sharpening you must have been sharpening he must have been sharpening we must have been sharpening you must have been sharpening they must have been sharpening

Negação

Forma simple	Forma com V-ing
I must not sharpen you must not sharpen he must not sharpen we must not sharpen you must not sharpen they must not sharpen	I must not be sharpening you must not be sharpening he must not be sharpening we must not be sharpening you must not be sharpening they must not be sharpening
Perfeito	Perfeito com V-ing
I must not have sharpened you must not have sharpened he must not have sharpened we must not have sharpened you must not have sharpened they must not have sharpened	I must not have been sharpening you must not have been sharpening he must not have been sharpening we must not have been sharpening you must not have been sharpening they must not have been sharpening

Forma interrogativa

Forma simple	Forma com V-ing
must I sharpen? must you sharpen? must he sharpen? must we sharpen? must you sharpen? must they sharpen?	must I be sharpening? must you be sharpening? must he be sharpening? must we be sharpening? must you be sharpening? must they be sharpening?
Perfeito	Perfeito com V-ing
must I have sharpened? must you have sharpened? must he have sharpened? must we have sharpened? must you have sharpened? must they have sharpened?	must I have been sharpening? must you have been sharpening? must he have been sharpening? must we have been sharpening? must you have been sharpening? must they have been sharpening?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not sharpen? must you not sharpen? must he not sharpen? must we not sharpen? must you not sharpen? must they not sharpen?	must I not be sharpening? must you not be sharpening? must he not be sharpening? must we not be sharpening? must you not be sharpening? must they not be sharpening?
Perfeito	Perfeito com V-ing
must I not have sharpened? must you not have sharpened? must he not have sharpened? must we not have sharpened? must you not have sharpened? must they not have sharpened?	must I not have been sharpening? must you not have been sharpening? must he not have been sharpening? must we not have been sharpening? must you not have been sharpening? must they not have been sharpening?