Conjugação do verbo inglês
COULD CIRCUMNAVIGATE

Verbo regular: circumnavigate - circumnavigated - circumnavigated

Afirmação

Forma simple	Forma com V-ing
I could circumnavigate you could circumnavigate he could circumnavigate we could circumnavigate you could circumnavigate they could circumnavigate	I could be circumnavigating you could be circumnavigating he could be circumnavigating we could be circumnavigating you could be circumnavigating they could be circumnavigating
Perfeito	Perfeito com V-ing
I could have circumnavigated you could have circumnavigated he could have circumnavigated we could have circumnavigated you could have circumnavigated they could have circumnavigated	I could have been circumnavigating you could have been circumnavigating he could have been circumnavigating we could have been circumnavigating you could have been circumnavigating they could have been circumnavigating

Negação

Forma simple	Forma com V-ing
I couldn't circumnavigate you couldn't circumnavigate he couldn't circumnavigate we couldn't circumnavigate you couldn't circumnavigate they couldn't circumnavigate	I couldn't be circumnavigating you couldn't be circumnavigating he couldn't be circumnavigating we couldn't be circumnavigating you couldn't be circumnavigating they couldn't be circumnavigating
Perfeito	Perfeito com V-ing
I couldn't have circumnavigated you couldn't have circumnavigated he couldn't have circumnavigated we couldn't have circumnavigated you couldn't have circumnavigated they couldn't have circumnavigated	I couldn't have been circumnavigating you couldn't have been circumnavigating he couldn't have been circumnavigating we couldn't have been circumnavigating you couldn't have been circumnavigating they couldn't have been circumnavigating

Forma interrogativa

Forma simple	Forma com V-ing
could I circumnavigate? could you circumnavigate? could he circumnavigate? could we circumnavigate? could you circumnavigate? could they circumnavigate?	could I be circumnavigating? could you be circumnavigating? could he be circumnavigating? could we be circumnavigating? could you be circumnavigating? could they be circumnavigating?
Perfeito	Perfeito com V-ing
could I have circumnavigated? could you have circumnavigated? could he have circumnavigated? could we have circumnavigated? could you have circumnavigated? could they have circumnavigated?	could I have been circumnavigating? could you have been circumnavigating? could he have been circumnavigating? could we have been circumnavigating? could you have been circumnavigating? could they have been circumnavigating?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I circumnavigate? couldn't you circumnavigate? couldn't he circumnavigate? couldn't we circumnavigate? couldn't you circumnavigate? couldn't they circumnavigate?	couldn't I be circumnavigating? couldn't you be circumnavigating? couldn't he be circumnavigating? couldn't we be circumnavigating? couldn't you be circumnavigating? couldn't they be circumnavigating?
Perfeito	Perfeito com V-ing
couldn't I have circumnavigated? couldn't you have circumnavigated? couldn't he have circumnavigated? couldn't we have circumnavigated? couldn't you have circumnavigated? couldn't they have circumnavigated?	couldn't I have been circumnavigating? couldn't you have been circumnavigating? couldn't he have been circumnavigating? couldn't we have been circumnavigating? couldn't you have been circumnavigating? couldn't they have been circumnavigating?