Conjugação do verbo inglês
MUST RUIN

Verbo regular: ruin - ruined - ruined

Afirmação

Forma simple	Forma com V-ing
I must ruin you must ruin he must ruin we must ruin you must ruin they must ruin	I must be ruining you must be ruining he must be ruining we must be ruining you must be ruining they must be ruining
Perfeito	Perfeito com V-ing
I must have ruined you must have ruined he must have ruined we must have ruined you must have ruined they must have ruined	I must have been ruining you must have been ruining he must have been ruining we must have been ruining you must have been ruining they must have been ruining

Negação

Forma simple	Forma com V-ing
I must not ruin you must not ruin he must not ruin we must not ruin you must not ruin they must not ruin	I must not be ruining you must not be ruining he must not be ruining we must not be ruining you must not be ruining they must not be ruining
Perfeito	Perfeito com V-ing
I must not have ruined you must not have ruined he must not have ruined we must not have ruined you must not have ruined they must not have ruined	I must not have been ruining you must not have been ruining he must not have been ruining we must not have been ruining you must not have been ruining they must not have been ruining

Forma interrogativa

Forma simple	Forma com V-ing
must I ruin? must you ruin? must he ruin? must we ruin? must you ruin? must they ruin?	must I be ruining? must you be ruining? must he be ruining? must we be ruining? must you be ruining? must they be ruining?
Perfeito	Perfeito com V-ing
must I have ruined? must you have ruined? must he have ruined? must we have ruined? must you have ruined? must they have ruined?	must I have been ruining? must you have been ruining? must he have been ruining? must we have been ruining? must you have been ruining? must they have been ruining?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not ruin? must you not ruin? must he not ruin? must we not ruin? must you not ruin? must they not ruin?	must I not be ruining? must you not be ruining? must he not be ruining? must we not be ruining? must you not be ruining? must they not be ruining?
Perfeito	Perfeito com V-ing
must I not have ruined? must you not have ruined? must he not have ruined? must we not have ruined? must you not have ruined? must they not have ruined?	must I not have been ruining? must you not have been ruining? must he not have been ruining? must we not have been ruining? must you not have been ruining? must they not have been ruining?