Conjugación del verbo inglés
COULD INTERGRADE

Verbo regular: intergrade - intergraded - intergraded

Afirmación

Forma simple	Forma con V-ing
I could intergrade you could intergrade he could intergrade we could intergrade you could intergrade they could intergrade	I could be intergrading you could be intergrading he could be intergrading we could be intergrading you could be intergrading they could be intergrading
Perfecto	Perfecto con V-ing
I could have intergraded you could have intergraded he could have intergraded we could have intergraded you could have intergraded they could have intergraded	I could have been intergrading you could have been intergrading he could have been intergrading we could have been intergrading you could have been intergrading they could have been intergrading

Negación

Forma simple	Forma con V-ing
I couldn't intergrade you couldn't intergrade he couldn't intergrade we couldn't intergrade you couldn't intergrade they couldn't intergrade	I couldn't be intergrading you couldn't be intergrading he couldn't be intergrading we couldn't be intergrading you couldn't be intergrading they couldn't be intergrading
Perfecto	Perfecto con V-ing
I couldn't have intergraded you couldn't have intergraded he couldn't have intergraded we couldn't have intergraded you couldn't have intergraded they couldn't have intergraded	I couldn't have been intergrading you couldn't have been intergrading he couldn't have been intergrading we couldn't have been intergrading you couldn't have been intergrading they couldn't have been intergrading

Forma interrogativa

Forma simple	Forma con V-ing
could I intergrade? could you intergrade? could he intergrade? could we intergrade? could you intergrade? could they intergrade?	could I be intergrading? could you be intergrading? could he be intergrading? could we be intergrading? could you be intergrading? could they be intergrading?
Perfecto	Perfecto con V-ing
could I have intergraded? could you have intergraded? could he have intergraded? could we have intergraded? could you have intergraded? could they have intergraded?	could I have been intergrading? could you have been intergrading? could he have been intergrading? could we have been intergrading? could you have been intergrading? could they have been intergrading?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I intergrade? couldn't you intergrade? couldn't he intergrade? couldn't we intergrade? couldn't you intergrade? couldn't they intergrade?	couldn't I be intergrading? couldn't you be intergrading? couldn't he be intergrading? couldn't we be intergrading? couldn't you be intergrading? couldn't they be intergrading?
Perfecto	Perfecto con V-ing
couldn't I have intergraded? couldn't you have intergraded? couldn't he have intergraded? couldn't we have intergraded? couldn't you have intergraded? couldn't they have intergraded?	couldn't I have been intergrading? couldn't you have been intergrading? couldn't he have been intergrading? couldn't we have been intergrading? couldn't you have been intergrading? couldn't they have been intergrading?