Conjugação do verbo inglês
COULD THEORIZE

Verbo regular: theorize - theorized - theorized

Afirmação

Forma simple	Forma com V-ing
I could theorize you could theorize he could theorize we could theorize you could theorize they could theorize	I could be theorizing you could be theorizing he could be theorizing we could be theorizing you could be theorizing they could be theorizing
Perfeito	Perfeito com V-ing
I could have theorized you could have theorized he could have theorized we could have theorized you could have theorized they could have theorized	I could have been theorizing you could have been theorizing he could have been theorizing we could have been theorizing you could have been theorizing they could have been theorizing

Negação

Forma simple	Forma com V-ing
I couldn't theorize you couldn't theorize he couldn't theorize we couldn't theorize you couldn't theorize they couldn't theorize	I couldn't be theorizing you couldn't be theorizing he couldn't be theorizing we couldn't be theorizing you couldn't be theorizing they couldn't be theorizing
Perfeito	Perfeito com V-ing
I couldn't have theorized you couldn't have theorized he couldn't have theorized we couldn't have theorized you couldn't have theorized they couldn't have theorized	I couldn't have been theorizing you couldn't have been theorizing he couldn't have been theorizing we couldn't have been theorizing you couldn't have been theorizing they couldn't have been theorizing

Forma interrogativa

Forma simple	Forma com V-ing
could I theorize? could you theorize? could he theorize? could we theorize? could you theorize? could they theorize?	could I be theorizing? could you be theorizing? could he be theorizing? could we be theorizing? could you be theorizing? could they be theorizing?
Perfeito	Perfeito com V-ing
could I have theorized? could you have theorized? could he have theorized? could we have theorized? could you have theorized? could they have theorized?	could I have been theorizing? could you have been theorizing? could he have been theorizing? could we have been theorizing? could you have been theorizing? could they have been theorizing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I theorize? couldn't you theorize? couldn't he theorize? couldn't we theorize? couldn't you theorize? couldn't they theorize?	couldn't I be theorizing? couldn't you be theorizing? couldn't he be theorizing? couldn't we be theorizing? couldn't you be theorizing? couldn't they be theorizing?
Perfeito	Perfeito com V-ing
couldn't I have theorized? couldn't you have theorized? couldn't he have theorized? couldn't we have theorized? couldn't you have theorized? couldn't they have theorized?	couldn't I have been theorizing? couldn't you have been theorizing? couldn't he have been theorizing? couldn't we have been theorizing? couldn't you have been theorizing? couldn't they have been theorizing?