Conjugação do verbo inglês
COULD FLUCTUATE

Verbo regular: fluctuate - fluctuated - fluctuated

Afirmação

Forma simple	Forma com V-ing
I could fluctuate you could fluctuate she could fluctuate we could fluctuate you could fluctuate they could fluctuate	I could be fluctuating you could be fluctuating she could be fluctuating we could be fluctuating you could be fluctuating they could be fluctuating
Perfeito	Perfeito com V-ing
I could have fluctuated you could have fluctuated she could have fluctuated we could have fluctuated you could have fluctuated they could have fluctuated	I could have been fluctuating you could have been fluctuating she could have been fluctuating we could have been fluctuating you could have been fluctuating they could have been fluctuating

Negação

Forma simple	Forma com V-ing
I could not fluctuate you could not fluctuate she could not fluctuate we could not fluctuate you could not fluctuate they could not fluctuate	I could not be fluctuating you could not be fluctuating she could not be fluctuating we could not be fluctuating you could not be fluctuating they could not be fluctuating
Perfeito	Perfeito com V-ing
I could not have fluctuated you could not have fluctuated she could not have fluctuated we could not have fluctuated you could not have fluctuated they could not have fluctuated	I could not have been fluctuating you could not have been fluctuating she could not have been fluctuating we could not have been fluctuating you could not have been fluctuating they could not have been fluctuating

Forma interrogativa

Forma simple	Forma com V-ing
could I fluctuate? could you fluctuate? could she fluctuate? could we fluctuate? could you fluctuate? could they fluctuate?	could I be fluctuating? could you be fluctuating? could she be fluctuating? could we be fluctuating? could you be fluctuating? could they be fluctuating?
Perfeito	Perfeito com V-ing
could I have fluctuated? could you have fluctuated? could she have fluctuated? could we have fluctuated? could you have fluctuated? could they have fluctuated?	could I have been fluctuating? could you have been fluctuating? could she have been fluctuating? could we have been fluctuating? could you have been fluctuating? could they have been fluctuating?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not fluctuate? could you not fluctuate? could she not fluctuate? could we not fluctuate? could you not fluctuate? could they not fluctuate?	could I not be fluctuating? could you not be fluctuating? could she not be fluctuating? could we not be fluctuating? could you not be fluctuating? could they not be fluctuating?
Perfeito	Perfeito com V-ing
could I not have fluctuated? could you not have fluctuated? could she not have fluctuated? could we not have fluctuated? could you not have fluctuated? could they not have fluctuated?	could I not have been fluctuating? could you not have been fluctuating? could she not have been fluctuating? could we not have been fluctuating? could you not have been fluctuating? could they not have been fluctuating?