I could acidify you could acidify he could acidify we could acidify you could acidify they could acidify
Forma com V-ing
I could be acidifying you could be acidifying he could be acidifying we could be acidifying you could be acidifying they could be acidifying
Perfeito
I could have acidified you could have acidified he could have acidified we could have acidified you could have acidified they could have acidified
Perfeito com V-ing
I could have been acidifying you could have been acidifying he could have been acidifying we could have been acidifying you could have been acidifying they could have been acidifying
Negação
Forma simple
I could not acidify you could not acidify he could not acidify we could not acidify you could not acidify they could not acidify
Forma com V-ing
I could not be acidifying you could not be acidifying he could not be acidifying we could not be acidifying you could not be acidifying they could not be acidifying
Perfeito
I could not have acidified you could not have acidified he could not have acidified we could not have acidified you could not have acidified they could not have acidified
Perfeito com V-ing
I could not have been acidifying you could not have been acidifying he could not have been acidifying we could not have been acidifying you could not have been acidifying they could not have been acidifying
Forma interrogativa
Forma simple
could I acidify? could you acidify? could he acidify? could we acidify? could you acidify? could they acidify?
Forma com V-ing
could I be acidifying? could you be acidifying? could he be acidifying? could we be acidifying? could you be acidifying? could they be acidifying?
Perfeito
could I have acidified? could you have acidified? could he have acidified? could we have acidified? could you have acidified? could they have acidified?
Perfeito com V-ing
could I have been acidifying? could you have been acidifying? could he have been acidifying? could we have been acidifying? could you have been acidifying? could they have been acidifying?
Forma interro-Negação
Forma simple
could I not acidify? could you not acidify? could he not acidify? could we not acidify? could you not acidify? could they not acidify?
Forma com V-ing
could I not be acidifying? could you not be acidifying? could he not be acidifying? could we not be acidifying? could you not be acidifying? could they not be acidifying?
Perfeito
could I not have acidified? could you not have acidified? could he not have acidified? could we not have acidified? could you not have acidified? could they not have acidified?
Perfeito com V-ing
could I not have been acidifying? could you not have been acidifying? could he not have been acidifying? could we not have been acidifying? could you not have been acidifying? could they not have been acidifying?