I could deregulate you could deregulate she could deregulate we could deregulate you could deregulate they could deregulate
V-ing form
I could be deregulating you could be deregulating she could be deregulating we could be deregulating you could be deregulating they could be deregulating
Perfect
I could have deregulated you could have deregulated she could have deregulated we could have deregulated you could have deregulated they could have deregulated
V-ing perfect
I could have been deregulating you could have been deregulating she could have been deregulating we could have been deregulating you could have been deregulating they could have been deregulating
Negation
Simple form
I couldn't deregulate you couldn't deregulate she couldn't deregulate we couldn't deregulate you couldn't deregulate they couldn't deregulate
V-ing form
I couldn't be deregulating you couldn't be deregulating she couldn't be deregulating we couldn't be deregulating you couldn't be deregulating they couldn't be deregulating
Perfect
I couldn't have deregulated you couldn't have deregulated she couldn't have deregulated we couldn't have deregulated you couldn't have deregulated they couldn't have deregulated
V-ing perfect
I couldn't have been deregulating you couldn't have been deregulating she couldn't have been deregulating we couldn't have been deregulating you couldn't have been deregulating they couldn't have been deregulating
Interrogative form
Simple form
could I deregulate? could you deregulate? could she deregulate? could we deregulate? could you deregulate? could they deregulate?
V-ing form
could I be deregulating? could you be deregulating? could she be deregulating? could we be deregulating? could you be deregulating? could they be deregulating?
Perfect
could I have deregulated? could you have deregulated? could she have deregulated? could we have deregulated? could you have deregulated? could they have deregulated?
V-ing perfect
could I have been deregulating? could you have been deregulating? could she have been deregulating? could we have been deregulating? could you have been deregulating? could they have been deregulating?
Interro-negative form
Simple form
couldn't I deregulate? couldn't you deregulate? couldn't she deregulate? couldn't we deregulate? couldn't you deregulate? couldn't they deregulate?
V-ing form
couldn't I be deregulating? couldn't you be deregulating? couldn't she be deregulating? couldn't we be deregulating? couldn't you be deregulating? couldn't they be deregulating?
Perfect
couldn't I have deregulated? couldn't you have deregulated? couldn't she have deregulated? couldn't we have deregulated? couldn't you have deregulated? couldn't they have deregulated?
V-ing perfect
couldn't I have been deregulating? couldn't you have been deregulating? couldn't she have been deregulating? couldn't we have been deregulating? couldn't you have been deregulating? couldn't they have been deregulating?