could antagonize
Regular verb: antagonize - antagonized- antagonized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could antagonize
you could antagonize
he could antagonize
we could antagonize
you could antagonize
they could antagonize 	I could be antagonizing
you could be antagonizing
he could be antagonizing
we could be antagonizing
you could be antagonizing
they could be antagonizing	I could have antagonized
you could have antagonized
he could have antagonized
we could have antagonized
you could have antagonized
they could have antagonized	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 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't antagonize
you couldn't antagonize
he couldn't antagonize
we couldn't antagonize
you couldn't antagonize
they couldn't antagonize 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
could I antagonize?
could you antagonize?
could he antagonize?
could we antagonize?
could you antagonize?
could they antagonize? 	could I be antagonizing?
could you be antagonizing?
could he be antagonizing?
could we be antagonizing?
could you be antagonizing?
could they be antagonizing? 	could I have antagonized?
could you have antagonized?
could he have antagonized?
could we have antagonized?
could you have antagonized?
could they have antagonized? 	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 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I antagonize?
couldn't you antagonize?
couldn't he antagonize?
couldn't we antagonize?
couldn't you antagonize?
couldn't they antagonize? 	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? 	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? 	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?