Conjugação do verbo inglês
CAN RUIN

Verbo regular: ruin - ruined - ruined

Afirmação

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

Negação

Forma simple	Forma com V-ing
I cannot ruin you cannot ruin she cannot ruin we cannot ruin you cannot ruin they cannot ruin	I cannot be ruining you cannot be ruining she cannot be ruining we cannot be ruining you cannot be ruining they cannot be ruining
Perfeito	Perfeito com V-ing
I cannot have ruined you cannot have ruined she cannot have ruined we cannot have ruined you cannot have ruined they cannot have ruined	I cannot have been ruining you cannot have been ruining she cannot have been ruining we cannot have been ruining you cannot have been ruining they cannot have been ruining

Forma interrogativa

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

Forma interro-Negação

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