could collar
Verbo regolare: collar - collared- collared

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could collar
you could collar
he could collar
we could collar
you could collar
they could collar 	I could be collaring
you could be collaring
he could be collaring
we could be collaring
you could be collaring
they could be collaring	I could have collared
you could have collared
he could have collared
we could have collared
you could have collared
they could have collared	I could have been collaring
you could have been collaring
he could have been collaring
we could have been collaring
you could have been collaring
they could have been collaring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not collar
you could not collar
he could not collar
we could not collar
you could not collar
they could not collar 	I could not be collaring
you could not be collaring
he could not be collaring
we could not be collaring
you could not be collaring
they could not be collaring	I could not have collared
you could not have collared
he could not have collared
we could not have collared
you could not have collared
they could not have collared	I could not have been collaring
you could not have been collaring
he could not have been collaring
we could not have been collaring
you could not have been collaring
they could not have been collaring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I collar?
could you collar?
could he collar?
could we collar?
could you collar?
could they collar? 	could I be collaring?
could you be collaring?
could he be collaring?
could we be collaring?
could you be collaring?
could they be collaring? 	could I have collared?
could you have collared?
could he have collared?
could we have collared?
could you have collared?
could they have collared? 	could I have been collaring?
could you have been collaring?
could he have been collaring?
could we have been collaring?
could you have been collaring?
could they have been collaring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not collar?
could you not collar?
could he not collar?
could we not collar?
could you not collar?
could they not collar? 	could I not be collaring?
could you not be collaring?
could he not be collaring?
could we not be collaring?
could you not be collaring?
could they not be collaring? 	could I not have collared?
could you not have collared?
could he not have collared?
could we not have collared?
could you not have collared?
could they not have collared? 	could I not have been collaring?
could you not have been collaring?
could he not have been collaring?
could we not have been collaring?
could you not have been collaring?
could they not have been collaring?