Conjugación del verbo inglés
COULD EARTH

Verbo regular: earth - earthed - earthed

Afirmación

Forma simple	Forma con V-ing
I could earth you could earth he could earth we could earth you could earth they could earth	I could be earthing you could be earthing he could be earthing we could be earthing you could be earthing they could be earthing
Perfecto	Perfecto con V-ing
I could have earthed you could have earthed he could have earthed we could have earthed you could have earthed they could have earthed	I could have been earthing you could have been earthing he could have been earthing we could have been earthing you could have been earthing they could have been earthing

Negación

Forma simple	Forma con V-ing
I could not earth you could not earth he could not earth we could not earth you could not earth they could not earth	I could not be earthing you could not be earthing he could not be earthing we could not be earthing you could not be earthing they could not be earthing
Perfecto	Perfecto con V-ing
I could not have earthed you could not have earthed he could not have earthed we could not have earthed you could not have earthed they could not have earthed	I could not have been earthing you could not have been earthing he could not have been earthing we could not have been earthing you could not have been earthing they could not have been earthing

Forma interrogativa

Forma simple	Forma con V-ing
could I earth? could you earth? could he earth? could we earth? could you earth? could they earth?	could I be earthing? could you be earthing? could he be earthing? could we be earthing? could you be earthing? could they be earthing?
Perfecto	Perfecto con V-ing
could I have earthed? could you have earthed? could he have earthed? could we have earthed? could you have earthed? could they have earthed?	could I have been earthing? could you have been earthing? could he have been earthing? could we have been earthing? could you have been earthing? could they have been earthing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not earth? could you not earth? could he not earth? could we not earth? could you not earth? could they not earth?	could I not be earthing? could you not be earthing? could he not be earthing? could we not be earthing? could you not be earthing? could they not be earthing?
Perfecto	Perfecto con V-ing
could I not have earthed? could you not have earthed? could he not have earthed? could we not have earthed? could you not have earthed? could they not have earthed?	could I not have been earthing? could you not have been earthing? could he not have been earthing? could we not have been earthing? could you not have been earthing? could they not have been earthing?