Conjugação do verbo inglês
COULD FRACTIONATE

Verbo regular: fractionate - fractionated - fractionated

Afirmação

Forma simple	Forma com V-ing
I could fractionate you could fractionate she could fractionate we could fractionate you could fractionate they could fractionate	I could be fractionating you could be fractionating she could be fractionating we could be fractionating you could be fractionating they could be fractionating
Perfeito	Perfeito com V-ing
I could have fractionated you could have fractionated she could have fractionated we could have fractionated you could have fractionated they could have fractionated	I could have been fractionating you could have been fractionating she could have been fractionating we could have been fractionating you could have been fractionating they could have been fractionating

Negação

Forma simple	Forma com V-ing
I couldn't fractionate you couldn't fractionate she couldn't fractionate we couldn't fractionate you couldn't fractionate they couldn't fractionate	I couldn't be fractionating you couldn't be fractionating she couldn't be fractionating we couldn't be fractionating you couldn't be fractionating they couldn't be fractionating
Perfeito	Perfeito com V-ing
I couldn't have fractionated you couldn't have fractionated she couldn't have fractionated we couldn't have fractionated you couldn't have fractionated they couldn't have fractionated	I couldn't have been fractionating you couldn't have been fractionating she couldn't have been fractionating we couldn't have been fractionating you couldn't have been fractionating they couldn't have been fractionating

Forma interrogativa

Forma simple	Forma com V-ing
could I fractionate? could you fractionate? could she fractionate? could we fractionate? could you fractionate? could they fractionate?	could I be fractionating? could you be fractionating? could she be fractionating? could we be fractionating? could you be fractionating? could they be fractionating?
Perfeito	Perfeito com V-ing
could I have fractionated? could you have fractionated? could she have fractionated? could we have fractionated? could you have fractionated? could they have fractionated?	could I have been fractionating? could you have been fractionating? could she have been fractionating? could we have been fractionating? could you have been fractionating? could they have been fractionating?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I fractionate? couldn't you fractionate? couldn't she fractionate? couldn't we fractionate? couldn't you fractionate? couldn't they fractionate?	couldn't I be fractionating? couldn't you be fractionating? couldn't she be fractionating? couldn't we be fractionating? couldn't you be fractionating? couldn't they be fractionating?
Perfeito	Perfeito com V-ing
couldn't I have fractionated? couldn't you have fractionated? couldn't she have fractionated? couldn't we have fractionated? couldn't you have fractionated? couldn't they have fractionated?	couldn't I have been fractionating? couldn't you have been fractionating? couldn't she have been fractionating? couldn't we have been fractionating? couldn't you have been fractionating? couldn't they have been fractionating?