Conjugação do verbo inglês
COULD STRAITEN

Verbo regular: straiten - straitened - straitened

Afirmação

Forma simple	Forma com V-ing
I could straiten you could straiten he could straiten we could straiten you could straiten they could straiten	I could be straitening you could be straitening he could be straitening we could be straitening you could be straitening they could be straitening
Perfeito	Perfeito com V-ing
I could have straitened you could have straitened he could have straitened we could have straitened you could have straitened they could have straitened	I could have been straitening you could have been straitening he could have been straitening we could have been straitening you could have been straitening they could have been straitening

Negação

Forma simple	Forma com V-ing
I couldn't straiten you couldn't straiten he couldn't straiten we couldn't straiten you couldn't straiten they couldn't straiten	I couldn't be straitening you couldn't be straitening he couldn't be straitening we couldn't be straitening you couldn't be straitening they couldn't be straitening
Perfeito	Perfeito com V-ing
I couldn't have straitened you couldn't have straitened he couldn't have straitened we couldn't have straitened you couldn't have straitened they couldn't have straitened	I couldn't have been straitening you couldn't have been straitening he couldn't have been straitening we couldn't have been straitening you couldn't have been straitening they couldn't have been straitening

Forma interrogativa

Forma simple	Forma com V-ing
could I straiten? could you straiten? could he straiten? could we straiten? could you straiten? could they straiten?	could I be straitening? could you be straitening? could he be straitening? could we be straitening? could you be straitening? could they be straitening?
Perfeito	Perfeito com V-ing
could I have straitened? could you have straitened? could he have straitened? could we have straitened? could you have straitened? could they have straitened?	could I have been straitening? could you have been straitening? could he have been straitening? could we have been straitening? could you have been straitening? could they have been straitening?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I straiten? couldn't you straiten? couldn't he straiten? couldn't we straiten? couldn't you straiten? couldn't they straiten?	couldn't I be straitening? couldn't you be straitening? couldn't he be straitening? couldn't we be straitening? couldn't you be straitening? couldn't they be straitening?
Perfeito	Perfeito com V-ing
couldn't I have straitened? couldn't you have straitened? couldn't he have straitened? couldn't we have straitened? couldn't you have straitened? couldn't they have straitened?	couldn't I have been straitening? couldn't you have been straitening? couldn't he have been straitening? couldn't we have been straitening? couldn't you have been straitening? couldn't they have been straitening?