Conjugación del verbo inglés
COULD AGGRADE

Verbo regular: aggrade - aggraded - aggraded

Afirmación

Forma simple	Forma con V-ing
I could aggrade you could aggrade he could aggrade we could aggrade you could aggrade they could aggrade	I could be aggrading you could be aggrading he could be aggrading we could be aggrading you could be aggrading they could be aggrading
Perfecto	Perfecto con V-ing
I could have aggraded you could have aggraded he could have aggraded we could have aggraded you could have aggraded they could have aggraded	I could have been aggrading you could have been aggrading he could have been aggrading we could have been aggrading you could have been aggrading they could have been aggrading

Negación

Forma simple	Forma con V-ing
I couldn't aggrade you couldn't aggrade he couldn't aggrade we couldn't aggrade you couldn't aggrade they couldn't aggrade	I couldn't be aggrading you couldn't be aggrading he couldn't be aggrading we couldn't be aggrading you couldn't be aggrading they couldn't be aggrading
Perfecto	Perfecto con V-ing
I couldn't have aggraded you couldn't have aggraded he couldn't have aggraded we couldn't have aggraded you couldn't have aggraded they couldn't have aggraded	I couldn't have been aggrading you couldn't have been aggrading he couldn't have been aggrading we couldn't have been aggrading you couldn't have been aggrading they couldn't have been aggrading

Forma interrogativa

Forma simple	Forma con V-ing
could I aggrade? could you aggrade? could he aggrade? could we aggrade? could you aggrade? could they aggrade?	could I be aggrading? could you be aggrading? could he be aggrading? could we be aggrading? could you be aggrading? could they be aggrading?
Perfecto	Perfecto con V-ing
could I have aggraded? could you have aggraded? could he have aggraded? could we have aggraded? could you have aggraded? could they have aggraded?	could I have been aggrading? could you have been aggrading? could he have been aggrading? could we have been aggrading? could you have been aggrading? could they have been aggrading?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I aggrade? couldn't you aggrade? couldn't he aggrade? couldn't we aggrade? couldn't you aggrade? couldn't they aggrade?	couldn't I be aggrading? couldn't you be aggrading? couldn't he be aggrading? couldn't we be aggrading? couldn't you be aggrading? couldn't they be aggrading?
Perfecto	Perfecto con V-ing
couldn't I have aggraded? couldn't you have aggraded? couldn't he have aggraded? couldn't we have aggraded? couldn't you have aggraded? couldn't they have aggraded?	couldn't I have been aggrading? couldn't you have been aggrading? couldn't he have been aggrading? couldn't we have been aggrading? couldn't you have been aggrading? couldn't they have been aggrading?