I could illegalize you could illegalize he could illegalize we could illegalize you could illegalize they could illegalize
V-ing form
I could be illegalizing you could be illegalizing he could be illegalizing we could be illegalizing you could be illegalizing they could be illegalizing
Perfect
I could have illegalized you could have illegalized he could have illegalized we could have illegalized you could have illegalized they could have illegalized
V-ing perfect
I could have been illegalizing you could have been illegalizing he could have been illegalizing we could have been illegalizing you could have been illegalizing they could have been illegalizing
Negation
Simple form
I couldn't illegalize you couldn't illegalize he couldn't illegalize we couldn't illegalize you couldn't illegalize they couldn't illegalize
V-ing form
I couldn't be illegalizing you couldn't be illegalizing he couldn't be illegalizing we couldn't be illegalizing you couldn't be illegalizing they couldn't be illegalizing
Perfect
I couldn't have illegalized you couldn't have illegalized he couldn't have illegalized we couldn't have illegalized you couldn't have illegalized they couldn't have illegalized
V-ing perfect
I couldn't have been illegalizing you couldn't have been illegalizing he couldn't have been illegalizing we couldn't have been illegalizing you couldn't have been illegalizing they couldn't have been illegalizing
Interrogative form
Simple form
could I illegalize? could you illegalize? could he illegalize? could we illegalize? could you illegalize? could they illegalize?
V-ing form
could I be illegalizing? could you be illegalizing? could he be illegalizing? could we be illegalizing? could you be illegalizing? could they be illegalizing?
Perfect
could I have illegalized? could you have illegalized? could he have illegalized? could we have illegalized? could you have illegalized? could they have illegalized?
V-ing perfect
could I have been illegalizing? could you have been illegalizing? could he have been illegalizing? could we have been illegalizing? could you have been illegalizing? could they have been illegalizing?
Interro-negative form
Simple form
couldn't I illegalize? couldn't you illegalize? couldn't he illegalize? couldn't we illegalize? couldn't you illegalize? couldn't they illegalize?
V-ing form
couldn't I be illegalizing? couldn't you be illegalizing? couldn't he be illegalizing? couldn't we be illegalizing? couldn't you be illegalizing? couldn't they be illegalizing?
Perfect
couldn't I have illegalized? couldn't you have illegalized? couldn't he have illegalized? couldn't we have illegalized? couldn't you have illegalized? couldn't they have illegalized?
V-ing perfect
couldn't I have been illegalizing? couldn't you have been illegalizing? couldn't he have been illegalizing? couldn't we have been illegalizing? couldn't you have been illegalizing? couldn't they have been illegalizing?