Conjugação do verbo inglês
COULD SWAN

Verbo regular: swan - swaned - swaned

Afirmação

Forma simple	Forma com V-ing
I could swan you could swan he could swan we could swan you could swan they could swan	I could be swaning you could be swaning he could be swaning we could be swaning you could be swaning they could be swaning
Perfeito	Perfeito com V-ing
I could have swaned you could have swaned he could have swaned we could have swaned you could have swaned they could have swaned	I could have been swaning you could have been swaning he could have been swaning we could have been swaning you could have been swaning they could have been swaning

Negação

Forma simple	Forma com V-ing
I couldn't swan you couldn't swan he couldn't swan we couldn't swan you couldn't swan they couldn't swan	I couldn't be swaning you couldn't be swaning he couldn't be swaning we couldn't be swaning you couldn't be swaning they couldn't be swaning
Perfeito	Perfeito com V-ing
I couldn't have swaned you couldn't have swaned he couldn't have swaned we couldn't have swaned you couldn't have swaned they couldn't have swaned	I couldn't have been swaning you couldn't have been swaning he couldn't have been swaning we couldn't have been swaning you couldn't have been swaning they couldn't have been swaning

Forma interrogativa

Forma simple	Forma com V-ing
could I swan? could you swan? could he swan? could we swan? could you swan? could they swan?	could I be swaning? could you be swaning? could he be swaning? could we be swaning? could you be swaning? could they be swaning?
Perfeito	Perfeito com V-ing
could I have swaned? could you have swaned? could he have swaned? could we have swaned? could you have swaned? could they have swaned?	could I have been swaning? could you have been swaning? could he have been swaning? could we have been swaning? could you have been swaning? could they have been swaning?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I swan? couldn't you swan? couldn't he swan? couldn't we swan? couldn't you swan? couldn't they swan?	couldn't I be swaning? couldn't you be swaning? couldn't he be swaning? couldn't we be swaning? couldn't you be swaning? couldn't they be swaning?
Perfeito	Perfeito com V-ing
couldn't I have swaned? couldn't you have swaned? couldn't he have swaned? couldn't we have swaned? couldn't you have swaned? couldn't they have swaned?	couldn't I have been swaning? couldn't you have been swaning? couldn't he have been swaning? couldn't we have been swaning? couldn't you have been swaning? couldn't they have been swaning?