Conjugación del verbo inglés
COULD ROLLERBLADE

Verbo regular: rollerblade - rollerbladed - rollerbladed

Afirmación

Forma simple	Forma con V-ing
I could rollerblade you could rollerblade she could rollerblade we could rollerblade you could rollerblade they could rollerblade	I could be rollerblading you could be rollerblading she could be rollerblading we could be rollerblading you could be rollerblading they could be rollerblading
Perfecto	Perfecto con V-ing
I could have rollerbladed you could have rollerbladed she could have rollerbladed we could have rollerbladed you could have rollerbladed they could have rollerbladed	I could have been rollerblading you could have been rollerblading she could have been rollerblading we could have been rollerblading you could have been rollerblading they could have been rollerblading

Negación

Forma simple	Forma con V-ing
I could not rollerblade you could not rollerblade she could not rollerblade we could not rollerblade you could not rollerblade they could not rollerblade	I could not be rollerblading you could not be rollerblading she could not be rollerblading we could not be rollerblading you could not be rollerblading they could not be rollerblading
Perfecto	Perfecto con V-ing
I could not have rollerbladed you could not have rollerbladed she could not have rollerbladed we could not have rollerbladed you could not have rollerbladed they could not have rollerbladed	I could not have been rollerblading you could not have been rollerblading she could not have been rollerblading we could not have been rollerblading you could not have been rollerblading they could not have been rollerblading

Forma interrogativa

Forma simple	Forma con V-ing
could I rollerblade? could you rollerblade? could she rollerblade? could we rollerblade? could you rollerblade? could they rollerblade?	could I be rollerblading? could you be rollerblading? could she be rollerblading? could we be rollerblading? could you be rollerblading? could they be rollerblading?
Perfecto	Perfecto con V-ing
could I have rollerbladed? could you have rollerbladed? could she have rollerbladed? could we have rollerbladed? could you have rollerbladed? could they have rollerbladed?	could I have been rollerblading? could you have been rollerblading? could she have been rollerblading? could we have been rollerblading? could you have been rollerblading? could they have been rollerblading?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not rollerblade? could you not rollerblade? could she not rollerblade? could we not rollerblade? could you not rollerblade? could they not rollerblade?	could I not be rollerblading? could you not be rollerblading? could she not be rollerblading? could we not be rollerblading? could you not be rollerblading? could they not be rollerblading?
Perfecto	Perfecto con V-ing
could I not have rollerbladed? could you not have rollerbladed? could she not have rollerbladed? could we not have rollerbladed? could you not have rollerbladed? could they not have rollerbladed?	could I not have been rollerblading? could you not have been rollerblading? could she not have been rollerblading? could we not have been rollerblading? could you not have been rollerblading? could they not have been rollerblading?