I could legalize you could legalize he could legalize we could legalize you could legalize they could legalize
V-ing form
I could be legalizing you could be legalizing he could be legalizing we could be legalizing you could be legalizing they could be legalizing
Perfect
I could have legalized you could have legalized he could have legalized we could have legalized you could have legalized they could have legalized
V-ing perfect
I could have been legalizing you could have been legalizing he could have been legalizing we could have been legalizing you could have been legalizing they could have been legalizing
Negation
Simple form
I could not legalize you could not legalize he could not legalize we could not legalize you could not legalize they could not legalize
V-ing form
I could not be legalizing you could not be legalizing he could not be legalizing we could not be legalizing you could not be legalizing they could not be legalizing
Perfect
I could not have legalized you could not have legalized he could not have legalized we could not have legalized you could not have legalized they could not have legalized
V-ing perfect
I could not have been legalizing you could not have been legalizing he could not have been legalizing we could not have been legalizing you could not have been legalizing they could not have been legalizing
Interrogative form
Simple form
could I legalize? could you legalize? could he legalize? could we legalize? could you legalize? could they legalize?
V-ing form
could I be legalizing? could you be legalizing? could he be legalizing? could we be legalizing? could you be legalizing? could they be legalizing?
Perfect
could I have legalized? could you have legalized? could he have legalized? could we have legalized? could you have legalized? could they have legalized?
V-ing perfect
could I have been legalizing? could you have been legalizing? could he have been legalizing? could we have been legalizing? could you have been legalizing? could they have been legalizing?
Interro-negative form
Simple form
could I not legalize? could you not legalize? could he not legalize? could we not legalize? could you not legalize? could they not legalize?
V-ing form
could I not be legalizing? could you not be legalizing? could he not be legalizing? could we not be legalizing? could you not be legalizing? could they not be legalizing?
Perfect
could I not have legalized? could you not have legalized? could he not have legalized? could we not have legalized? could you not have legalized? could they not have legalized?
V-ing perfect
could I not have been legalizing? could you not have been legalizing? could he not have been legalizing? could we not have been legalizing? could you not have been legalizing? could they not have been legalizing?