I could filtrate you could filtrate she could filtrate we could filtrate you could filtrate they could filtrate
Forma com V-ing
I could be filtrating you could be filtrating she could be filtrating we could be filtrating you could be filtrating they could be filtrating
Perfeito
I could have filtrated you could have filtrated she could have filtrated we could have filtrated you could have filtrated they could have filtrated
Perfeito com V-ing
I could have been filtrating you could have been filtrating she could have been filtrating we could have been filtrating you could have been filtrating they could have been filtrating
Negação
Forma simple
I couldn't filtrate you couldn't filtrate she couldn't filtrate we couldn't filtrate you couldn't filtrate they couldn't filtrate
Forma com V-ing
I couldn't be filtrating you couldn't be filtrating she couldn't be filtrating we couldn't be filtrating you couldn't be filtrating they couldn't be filtrating
Perfeito
I couldn't have filtrated you couldn't have filtrated she couldn't have filtrated we couldn't have filtrated you couldn't have filtrated they couldn't have filtrated
Perfeito com V-ing
I couldn't have been filtrating you couldn't have been filtrating she couldn't have been filtrating we couldn't have been filtrating you couldn't have been filtrating they couldn't have been filtrating
Forma interrogativa
Forma simple
could I filtrate? could you filtrate? could she filtrate? could we filtrate? could you filtrate? could they filtrate?
Forma com V-ing
could I be filtrating? could you be filtrating? could she be filtrating? could we be filtrating? could you be filtrating? could they be filtrating?
Perfeito
could I have filtrated? could you have filtrated? could she have filtrated? could we have filtrated? could you have filtrated? could they have filtrated?
Perfeito com V-ing
could I have been filtrating? could you have been filtrating? could she have been filtrating? could we have been filtrating? could you have been filtrating? could they have been filtrating?
Forma interro-Negação
Forma simple
couldn't I filtrate? couldn't you filtrate? couldn't she filtrate? couldn't we filtrate? couldn't you filtrate? couldn't they filtrate?
Forma com V-ing
couldn't I be filtrating? couldn't you be filtrating? couldn't she be filtrating? couldn't we be filtrating? couldn't you be filtrating? couldn't they be filtrating?
Perfeito
couldn't I have filtrated? couldn't you have filtrated? couldn't she have filtrated? couldn't we have filtrated? couldn't you have filtrated? couldn't they have filtrated?
Perfeito com V-ing
couldn't I have been filtrating? couldn't you have been filtrating? couldn't she have been filtrating? couldn't we have been filtrating? couldn't you have been filtrating? couldn't they have been filtrating?