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 couldn't rollerblade you couldn't rollerblade she couldn't rollerblade we couldn't rollerblade you couldn't rollerblade they couldn't rollerblade	I couldn't be rollerblading you couldn't be rollerblading she couldn't be rollerblading we couldn't be rollerblading you couldn't be rollerblading they couldn't be rollerblading
Perfecto	Perfecto con V-ing
I couldn't have rollerbladed you couldn't have rollerbladed she couldn't have rollerbladed we couldn't have rollerbladed you couldn't have rollerbladed they couldn't have rollerbladed	I couldn't have been rollerblading you couldn't have been rollerblading she couldn't have been rollerblading we couldn't have been rollerblading you couldn't have been rollerblading they couldn't 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
couldn't I rollerblade? couldn't you rollerblade? couldn't she rollerblade? couldn't we rollerblade? couldn't you rollerblade? couldn't they rollerblade?	couldn't I be rollerblading? couldn't you be rollerblading? couldn't she be rollerblading? couldn't we be rollerblading? couldn't you be rollerblading? couldn't they be rollerblading?
Perfecto	Perfecto con V-ing
couldn't I have rollerbladed? couldn't you have rollerbladed? couldn't she have rollerbladed? couldn't we have rollerbladed? couldn't you have rollerbladed? couldn't they have rollerbladed?	couldn't I have been rollerblading? couldn't you have been rollerblading? couldn't she have been rollerblading? couldn't we have been rollerblading? couldn't you have been rollerblading? couldn't they have been rollerblading?