I could grit you could grit she could grit we could grit you could grit they could grit
Forma com V-ing
I could be gritting you could be gritting she could be gritting we could be gritting you could be gritting they could be gritting
Perfeito
I could have gritted you could have gritted she could have gritted we could have gritted you could have gritted they could have gritted
Perfeito com V-ing
I could have been gritting you could have been gritting she could have been gritting we could have been gritting you could have been gritting they could have been gritting
Negação
Forma simple
I couldn't grit you couldn't grit she couldn't grit we couldn't grit you couldn't grit they couldn't grit
Forma com V-ing
I couldn't be gritting you couldn't be gritting she couldn't be gritting we couldn't be gritting you couldn't be gritting they couldn't be gritting
Perfeito
I couldn't have gritted you couldn't have gritted she couldn't have gritted we couldn't have gritted you couldn't have gritted they couldn't have gritted
Perfeito com V-ing
I couldn't have been gritting you couldn't have been gritting she couldn't have been gritting we couldn't have been gritting you couldn't have been gritting they couldn't have been gritting
Forma interrogativa
Forma simple
could I grit? could you grit? could she grit? could we grit? could you grit? could they grit?
Forma com V-ing
could I be gritting? could you be gritting? could she be gritting? could we be gritting? could you be gritting? could they be gritting?
Perfeito
could I have gritted? could you have gritted? could she have gritted? could we have gritted? could you have gritted? could they have gritted?
Perfeito com V-ing
could I have been gritting? could you have been gritting? could she have been gritting? could we have been gritting? could you have been gritting? could they have been gritting?
Forma interro-Negação
Forma simple
couldn't I grit? couldn't you grit? couldn't she grit? couldn't we grit? couldn't you grit? couldn't they grit?
Forma com V-ing
couldn't I be gritting? couldn't you be gritting? couldn't she be gritting? couldn't we be gritting? couldn't you be gritting? couldn't they be gritting?
Perfeito
couldn't I have gritted? couldn't you have gritted? couldn't she have gritted? couldn't we have gritted? couldn't you have gritted? couldn't they have gritted?
Perfeito com V-ing
couldn't I have been gritting? couldn't you have been gritting? couldn't she have been gritting? couldn't we have been gritting? couldn't you have been gritting? couldn't they have been gritting?