Verbo regular: interchange - interchanged - interchanged
Afirmação
Forma simple
I could interchange you could interchange he could interchange we could interchange you could interchange they could interchange
Forma com V-ing
I could be interchanging you could be interchanging he could be interchanging we could be interchanging you could be interchanging they could be interchanging
Perfeito
I could have interchanged you could have interchanged he could have interchanged we could have interchanged you could have interchanged they could have interchanged
Perfeito com V-ing
I could have been interchanging you could have been interchanging he could have been interchanging we could have been interchanging you could have been interchanging they could have been interchanging
Negação
Forma simple
I couldn't interchange you couldn't interchange he couldn't interchange we couldn't interchange you couldn't interchange they couldn't interchange
Forma com V-ing
I couldn't be interchanging you couldn't be interchanging he couldn't be interchanging we couldn't be interchanging you couldn't be interchanging they couldn't be interchanging
Perfeito
I couldn't have interchanged you couldn't have interchanged he couldn't have interchanged we couldn't have interchanged you couldn't have interchanged they couldn't have interchanged
Perfeito com V-ing
I couldn't have been interchanging you couldn't have been interchanging he couldn't have been interchanging we couldn't have been interchanging you couldn't have been interchanging they couldn't have been interchanging
Forma interrogativa
Forma simple
could I interchange? could you interchange? could he interchange? could we interchange? could you interchange? could they interchange?
Forma com V-ing
could I be interchanging? could you be interchanging? could he be interchanging? could we be interchanging? could you be interchanging? could they be interchanging?
Perfeito
could I have interchanged? could you have interchanged? could he have interchanged? could we have interchanged? could you have interchanged? could they have interchanged?
Perfeito com V-ing
could I have been interchanging? could you have been interchanging? could he have been interchanging? could we have been interchanging? could you have been interchanging? could they have been interchanging?
Forma interro-Negação
Forma simple
couldn't I interchange? couldn't you interchange? couldn't he interchange? couldn't we interchange? couldn't you interchange? couldn't they interchange?
Forma com V-ing
couldn't I be interchanging? couldn't you be interchanging? couldn't he be interchanging? couldn't we be interchanging? couldn't you be interchanging? couldn't they be interchanging?
Perfeito
couldn't I have interchanged? couldn't you have interchanged? couldn't he have interchanged? couldn't we have interchanged? couldn't you have interchanged? couldn't they have interchanged?
Perfeito com V-ing
couldn't I have been interchanging? couldn't you have been interchanging? couldn't he have been interchanging? couldn't we have been interchanging? couldn't you have been interchanging? couldn't they have been interchanging?