could establish
Verbo regolare: establish - established- established

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could establish
you could establish
he could establish
we could establish
you could establish
they could establish 	I could be establishing
you could be establishing
he could be establishing
we could be establishing
you could be establishing
they could be establishing	I could have established
you could have established
he could have established
we could have established
you could have established
they could have established	I could have been establishing
you could have been establishing
he could have been establishing
we could have been establishing
you could have been establishing
they could have been establishing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't establish
you couldn't establish
he couldn't establish
we couldn't establish
you couldn't establish
they couldn't establish 	I couldn't be establishing
you couldn't be establishing
he couldn't be establishing
we couldn't be establishing
you couldn't be establishing
they couldn't be establishing	I couldn't have established
you couldn't have established
he couldn't have established
we couldn't have established
you couldn't have established
they couldn't have established	I couldn't have been establishing
you couldn't have been establishing
he couldn't have been establishing
we couldn't have been establishing
you couldn't have been establishing
they couldn't have been establishing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I establish?
could you establish?
could he establish?
could we establish?
could you establish?
could they establish? 	could I be establishing?
could you be establishing?
could he be establishing?
could we be establishing?
could you be establishing?
could they be establishing? 	could I have established?
could you have established?
could he have established?
could we have established?
could you have established?
could they have established? 	could I have been establishing?
could you have been establishing?
could he have been establishing?
could we have been establishing?
could you have been establishing?
could they have been establishing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I establish?
couldn't you establish?
couldn't he establish?
couldn't we establish?
couldn't you establish?
couldn't they establish? 	couldn't I be establishing?
couldn't you be establishing?
couldn't he be establishing?
couldn't we be establishing?
couldn't you be establishing?
couldn't they be establishing? 	couldn't I have established?
couldn't you have established?
couldn't he have established?
couldn't we have established?
couldn't you have established?
couldn't they have established? 	couldn't I have been establishing?
couldn't you have been establishing?
couldn't he have been establishing?
couldn't we have been establishing?
couldn't you have been establishing?
couldn't they have been establishing?