Conjugación del verbo inglés
COULD PREFERTILISE

Verbo regular: prefertilise - prefertilised - prefertilised

Afirmación

Forma simple	Forma con V-ing
I could prefertilise you could prefertilise he could prefertilise we could prefertilise you could prefertilise they could prefertilise	I could be prefertilising you could be prefertilising he could be prefertilising we could be prefertilising you could be prefertilising they could be prefertilising
Perfecto	Perfecto con V-ing
I could have prefertilised you could have prefertilised he could have prefertilised we could have prefertilised you could have prefertilised they could have prefertilised	I could have been prefertilising you could have been prefertilising he could have been prefertilising we could have been prefertilising you could have been prefertilising they could have been prefertilising

Negación

Forma simple	Forma con V-ing
I couldn't prefertilise you couldn't prefertilise he couldn't prefertilise we couldn't prefertilise you couldn't prefertilise they couldn't prefertilise	I couldn't be prefertilising you couldn't be prefertilising he couldn't be prefertilising we couldn't be prefertilising you couldn't be prefertilising they couldn't be prefertilising
Perfecto	Perfecto con V-ing
I couldn't have prefertilised you couldn't have prefertilised he couldn't have prefertilised we couldn't have prefertilised you couldn't have prefertilised they couldn't have prefertilised	I couldn't have been prefertilising you couldn't have been prefertilising he couldn't have been prefertilising we couldn't have been prefertilising you couldn't have been prefertilising they couldn't have been prefertilising

Forma interrogativa

Forma simple	Forma con V-ing
could I prefertilise? could you prefertilise? could he prefertilise? could we prefertilise? could you prefertilise? could they prefertilise?	could I be prefertilising? could you be prefertilising? could he be prefertilising? could we be prefertilising? could you be prefertilising? could they be prefertilising?
Perfecto	Perfecto con V-ing
could I have prefertilised? could you have prefertilised? could he have prefertilised? could we have prefertilised? could you have prefertilised? could they have prefertilised?	could I have been prefertilising? could you have been prefertilising? could he have been prefertilising? could we have been prefertilising? could you have been prefertilising? could they have been prefertilising?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I prefertilise? couldn't you prefertilise? couldn't he prefertilise? couldn't we prefertilise? couldn't you prefertilise? couldn't they prefertilise?	couldn't I be prefertilising? couldn't you be prefertilising? couldn't he be prefertilising? couldn't we be prefertilising? couldn't you be prefertilising? couldn't they be prefertilising?
Perfecto	Perfecto con V-ing
couldn't I have prefertilised? couldn't you have prefertilised? couldn't he have prefertilised? couldn't we have prefertilised? couldn't you have prefertilised? couldn't they have prefertilised?	couldn't I have been prefertilising? couldn't you have been prefertilising? couldn't he have been prefertilising? couldn't we have been prefertilising? couldn't you have been prefertilising? couldn't they have been prefertilising?