Conjugação do verbo inglês CAN CONTRIBUTE

Verbo regular: contribute - contributed - contributed

Afirmação

Forma simple

I can contribute
you can contribute
he can contribute
we can contribute
you can contribute
they can contribute

Forma com V-ing

I can be contributing
you can be contributing
he can be contributing
we can be contributing
you can be contributing
they can be contributing

Perfeito

I can have contributed
you can have contributed
he can have contributed
we can have contributed
you can have contributed
they can have contributed

Perfeito com V-ing

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

Negação

Forma simple

I cannot contribute
you cannot contribute
he cannot contribute
we cannot contribute
you cannot contribute
they cannot contribute

Forma com V-ing

I cannot be contributing
you cannot be contributing
he cannot be contributing
we cannot be contributing
you cannot be contributing
they cannot be contributing

Perfeito

I cannot have contributed
you cannot have contributed
he cannot have contributed
we cannot have contributed
you cannot have contributed
they cannot have contributed

Perfeito com V-ing

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

Forma interrogativa

Forma simple

can I contribute?
can you contribute?
can he contribute?
can we contribute?
can you contribute?
can they contribute?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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