could tariff
Verbo regolare: tariff - tariffed- tariffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could tariff
you could tariff
he could tariff
we could tariff
you could tariff
they could tariff 	I could be tariffing
you could be tariffing
he could be tariffing
we could be tariffing
you could be tariffing
they could be tariffing	I could have tariffed
you could have tariffed
he could have tariffed
we could have tariffed
you could have tariffed
they could have tariffed	I could have been tariffing
you could have been tariffing
he could have been tariffing
we could have been tariffing
you could have been tariffing
they could have been tariffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not tariff
you could not tariff
he could not tariff
we could not tariff
you could not tariff
they could not tariff 	I could not be tariffing
you could not be tariffing
he could not be tariffing
we could not be tariffing
you could not be tariffing
they could not be tariffing	I could not have tariffed
you could not have tariffed
he could not have tariffed
we could not have tariffed
you could not have tariffed
they could not have tariffed	I could not have been tariffing
you could not have been tariffing
he could not have been tariffing
we could not have been tariffing
you could not have been tariffing
they could not have been tariffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I tariff?
could you tariff?
could he tariff?
could we tariff?
could you tariff?
could they tariff? 	could I be tariffing?
could you be tariffing?
could he be tariffing?
could we be tariffing?
could you be tariffing?
could they be tariffing? 	could I have tariffed?
could you have tariffed?
could he have tariffed?
could we have tariffed?
could you have tariffed?
could they have tariffed? 	could I have been tariffing?
could you have been tariffing?
could he have been tariffing?
could we have been tariffing?
could you have been tariffing?
could they have been tariffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not tariff?
could you not tariff?
could he not tariff?
could we not tariff?
could you not tariff?
could they not tariff? 	could I not be tariffing?
could you not be tariffing?
could he not be tariffing?
could we not be tariffing?
could you not be tariffing?
could they not be tariffing? 	could I not have tariffed?
could you not have tariffed?
could he not have tariffed?
could we not have tariffed?
could you not have tariffed?
could they not have tariffed? 	could I not have been tariffing?
could you not have been tariffing?
could he not have been tariffing?
could we not have been tariffing?
could you not have been tariffing?
could they not have been tariffing?