Conjugação do verbo inglês
MUST RETREAT

Verbo regular: retreat - retreated - retreated

Afirmação

Forma simple	Forma com V-ing
I must retreat you must retreat he must retreat we must retreat you must retreat they must retreat	I must be retreating you must be retreating he must be retreating we must be retreating you must be retreating they must be retreating
Perfeito	Perfeito com V-ing
I must have retreated you must have retreated he must have retreated we must have retreated you must have retreated they must have retreated	I must have been retreating you must have been retreating he must have been retreating we must have been retreating you must have been retreating they must have been retreating

Negação

Forma simple	Forma com V-ing
I must not retreat you must not retreat he must not retreat we must not retreat you must not retreat they must not retreat	I must not be retreating you must not be retreating he must not be retreating we must not be retreating you must not be retreating they must not be retreating
Perfeito	Perfeito com V-ing
I must not have retreated you must not have retreated he must not have retreated we must not have retreated you must not have retreated they must not have retreated	I must not have been retreating you must not have been retreating he must not have been retreating we must not have been retreating you must not have been retreating they must not have been retreating

Forma interrogativa

Forma simple	Forma com V-ing
must I retreat? must you retreat? must he retreat? must we retreat? must you retreat? must they retreat?	must I be retreating? must you be retreating? must he be retreating? must we be retreating? must you be retreating? must they be retreating?
Perfeito	Perfeito com V-ing
must I have retreated? must you have retreated? must he have retreated? must we have retreated? must you have retreated? must they have retreated?	must I have been retreating? must you have been retreating? must he have been retreating? must we have been retreating? must you have been retreating? must they have been retreating?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not retreat? must you not retreat? must he not retreat? must we not retreat? must you not retreat? must they not retreat?	must I not be retreating? must you not be retreating? must he not be retreating? must we not be retreating? must you not be retreating? must they not be retreating?
Perfeito	Perfeito com V-ing
must I not have retreated? must you not have retreated? must he not have retreated? must we not have retreated? must you not have retreated? must they not have retreated?	must I not have been retreating? must you not have been retreating? must he not have been retreating? must we not have been retreating? must you not have been retreating? must they not have been retreating?