Conjugação do verbo inglês
COULD ENSURE

Verbo regular: ensure - ensured - ensured

Afirmação

Forma simple	Forma com V-ing
I could ensure you could ensure he could ensure we could ensure you could ensure they could ensure	I could be ensuring you could be ensuring he could be ensuring we could be ensuring you could be ensuring they could be ensuring
Perfeito	Perfeito com V-ing
I could have ensured you could have ensured he could have ensured we could have ensured you could have ensured they could have ensured	I could have been ensuring you could have been ensuring he could have been ensuring we could have been ensuring you could have been ensuring they could have been ensuring

Negação

Forma simple	Forma com V-ing
I couldn't ensure you couldn't ensure he couldn't ensure we couldn't ensure you couldn't ensure they couldn't ensure	I couldn't be ensuring you couldn't be ensuring he couldn't be ensuring we couldn't be ensuring you couldn't be ensuring they couldn't be ensuring
Perfeito	Perfeito com V-ing
I couldn't have ensured you couldn't have ensured he couldn't have ensured we couldn't have ensured you couldn't have ensured they couldn't have ensured	I couldn't have been ensuring you couldn't have been ensuring he couldn't have been ensuring we couldn't have been ensuring you couldn't have been ensuring they couldn't have been ensuring

Forma interrogativa

Forma simple	Forma com V-ing
could I ensure? could you ensure? could he ensure? could we ensure? could you ensure? could they ensure?	could I be ensuring? could you be ensuring? could he be ensuring? could we be ensuring? could you be ensuring? could they be ensuring?
Perfeito	Perfeito com V-ing
could I have ensured? could you have ensured? could he have ensured? could we have ensured? could you have ensured? could they have ensured?	could I have been ensuring? could you have been ensuring? could he have been ensuring? could we have been ensuring? could you have been ensuring? could they have been ensuring?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I ensure? couldn't you ensure? couldn't he ensure? couldn't we ensure? couldn't you ensure? couldn't they ensure?	couldn't I be ensuring? couldn't you be ensuring? couldn't he be ensuring? couldn't we be ensuring? couldn't you be ensuring? couldn't they be ensuring?
Perfeito	Perfeito com V-ing
couldn't I have ensured? couldn't you have ensured? couldn't he have ensured? couldn't we have ensured? couldn't you have ensured? couldn't they have ensured?	couldn't I have been ensuring? couldn't you have been ensuring? couldn't he have been ensuring? couldn't we have been ensuring? couldn't you have been ensuring? couldn't they have been ensuring?