could lichen
Verbo regolare: lichen - lichened- lichened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could lichen
you could lichen
he could lichen
we could lichen
you could lichen
they could lichen 	I could be lichening
you could be lichening
he could be lichening
we could be lichening
you could be lichening
they could be lichening	I could have lichened
you could have lichened
he could have lichened
we could have lichened
you could have lichened
they could have lichened	I could have been lichening
you could have been lichening
he could have been lichening
we could have been lichening
you could have been lichening
they could have been lichening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not lichen
you could not lichen
he could not lichen
we could not lichen
you could not lichen
they could not lichen 	I could not be lichening
you could not be lichening
he could not be lichening
we could not be lichening
you could not be lichening
they could not be lichening	I could not have lichened
you could not have lichened
he could not have lichened
we could not have lichened
you could not have lichened
they could not have lichened	I could not have been lichening
you could not have been lichening
he could not have been lichening
we could not have been lichening
you could not have been lichening
they could not have been lichening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I lichen?
could you lichen?
could he lichen?
could we lichen?
could you lichen?
could they lichen? 	could I be lichening?
could you be lichening?
could he be lichening?
could we be lichening?
could you be lichening?
could they be lichening? 	could I have lichened?
could you have lichened?
could he have lichened?
could we have lichened?
could you have lichened?
could they have lichened? 	could I have been lichening?
could you have been lichening?
could he have been lichening?
could we have been lichening?
could you have been lichening?
could they have been lichening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not lichen?
could you not lichen?
could he not lichen?
could we not lichen?
could you not lichen?
could they not lichen? 	could I not be lichening?
could you not be lichening?
could he not be lichening?
could we not be lichening?
could you not be lichening?
could they not be lichening? 	could I not have lichened?
could you not have lichened?
could he not have lichened?
could we not have lichened?
could you not have lichened?
could they not have lichened? 	could I not have been lichening?
could you not have been lichening?
could he not have been lichening?
could we not have been lichening?
could you not have been lichening?
could they not have been lichening?