Conjugação do verbo inglês
COULD TAN

Verbo regular: tan - tanned - tanned

Afirmação

Forma simple	Forma com V-ing
I could tan you could tan he could tan we could tan you could tan they could tan	I could be tanning you could be tanning he could be tanning we could be tanning you could be tanning they could be tanning
Perfeito	Perfeito com V-ing
I could have tanned you could have tanned he could have tanned we could have tanned you could have tanned they could have tanned	I could have been tanning you could have been tanning he could have been tanning we could have been tanning you could have been tanning they could have been tanning

Negação

Forma simple	Forma com V-ing
I couldn't tan you couldn't tan he couldn't tan we couldn't tan you couldn't tan they couldn't tan	I couldn't be tanning you couldn't be tanning he couldn't be tanning we couldn't be tanning you couldn't be tanning they couldn't be tanning
Perfeito	Perfeito com V-ing
I couldn't have tanned you couldn't have tanned he couldn't have tanned we couldn't have tanned you couldn't have tanned they couldn't have tanned	I couldn't have been tanning you couldn't have been tanning he couldn't have been tanning we couldn't have been tanning you couldn't have been tanning they couldn't have been tanning

Forma interrogativa

Forma simple	Forma com V-ing
could I tan? could you tan? could he tan? could we tan? could you tan? could they tan?	could I be tanning? could you be tanning? could he be tanning? could we be tanning? could you be tanning? could they be tanning?
Perfeito	Perfeito com V-ing
could I have tanned? could you have tanned? could he have tanned? could we have tanned? could you have tanned? could they have tanned?	could I have been tanning? could you have been tanning? could he have been tanning? could we have been tanning? could you have been tanning? could they have been tanning?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I tan? couldn't you tan? couldn't he tan? couldn't we tan? couldn't you tan? couldn't they tan?	couldn't I be tanning? couldn't you be tanning? couldn't he be tanning? couldn't we be tanning? couldn't you be tanning? couldn't they be tanning?
Perfeito	Perfeito com V-ing
couldn't I have tanned? couldn't you have tanned? couldn't he have tanned? couldn't we have tanned? couldn't you have tanned? couldn't they have tanned?	couldn't I have been tanning? couldn't you have been tanning? couldn't he have been tanning? couldn't we have been tanning? couldn't you have been tanning? couldn't they have been tanning?