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