Conjugação do verbo inglês CAN ASCERTAIN

Verbo regular: ascertain - ascertained - ascertained

Afirmação

Forma simple

I can ascertain
you can ascertain
he can ascertain
we can ascertain
you can ascertain
they can ascertain

Forma com V-ing

I can be ascertaining
you can be ascertaining
he can be ascertaining
we can be ascertaining
you can be ascertaining
they can be ascertaining

Perfeito

I can have ascertained
you can have ascertained
he can have ascertained
we can have ascertained
you can have ascertained
they can have ascertained

Perfeito com V-ing

I can have been ascertaining
you can have been ascertaining
he can have been ascertaining
we can have been ascertaining
you can have been ascertaining
they can have been ascertaining

Negação

Forma simple

I cannot ascertain
you cannot ascertain
he cannot ascertain
we cannot ascertain
you cannot ascertain
they cannot ascertain

Forma com V-ing

I cannot be ascertaining
you cannot be ascertaining
he cannot be ascertaining
we cannot be ascertaining
you cannot be ascertaining
they cannot be ascertaining

Perfeito

I cannot have ascertained
you cannot have ascertained
he cannot have ascertained
we cannot have ascertained
you cannot have ascertained
they cannot have ascertained

Perfeito com V-ing

I cannot have been ascertaining
you cannot have been ascertaining
he cannot have been ascertaining
we cannot have been ascertaining
you cannot have been ascertaining
they cannot have been ascertaining

Forma interrogativa

Forma simple

can I ascertain?
can you ascertain?
can he ascertain?
can we ascertain?
can you ascertain?
can they ascertain?

Forma com V-ing

can I be ascertaining?
can you be ascertaining?
can he be ascertaining?
can we be ascertaining?
can you be ascertaining?
can they be ascertaining?

Perfeito

can I have ascertained?
can you have ascertained?
can he have ascertained?
can we have ascertained?
can you have ascertained?
can they have ascertained?

Perfeito com V-ing

can I have been ascertaining?
can you have been ascertaining?
can he have been ascertaining?
can we have been ascertaining?
can you have been ascertaining?
can they have been ascertaining?

Forma interro-Negação

Forma simple

can I not ascertain?
can you not ascertain?
can he not ascertain?
can we not ascertain?
can you not ascertain?
can they not ascertain?

Forma com V-ing

can I not be ascertaining?
can you not be ascertaining?
can he not be ascertaining?
can we not be ascertaining?
can you not be ascertaining?
can they not be ascertaining?

Perfeito

can I not have ascertained?
can you not have ascertained?
can he not have ascertained?
can we not have ascertained?
can you not have ascertained?
can they not have ascertained?

Perfeito com V-ing

can I not have been ascertaining?
can you not have been ascertaining?
can he not have been ascertaining?
can we not have been ascertaining?
can you not have been ascertaining?
can they not have been ascertaining?

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