could agitate
Regular verb: agitate - agitated- agitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could agitate
you could agitate
he could agitate
we could agitate
you could agitate
they could agitate 	I could be agitating
you could be agitating
he could be agitating
we could be agitating
you could be agitating
they could be agitating	I could have agitated
you could have agitated
he could have agitated
we could have agitated
you could have agitated
they could have agitated	I could have been agitating
you could have been agitating
he could have been agitating
we could have been agitating
you could have been agitating
they could have been agitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't agitate
you couldn't agitate
he couldn't agitate
we couldn't agitate
you couldn't agitate
they couldn't agitate 	I couldn't be agitating
you couldn't be agitating
he couldn't be agitating
we couldn't be agitating
you couldn't be agitating
they couldn't be agitating	I couldn't have agitated
you couldn't have agitated
he couldn't have agitated
we couldn't have agitated
you couldn't have agitated
they couldn't have agitated	I couldn't have been agitating
you couldn't have been agitating
he couldn't have been agitating
we couldn't have been agitating
you couldn't have been agitating
they couldn't have been agitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I agitate?
could you agitate?
could he agitate?
could we agitate?
could you agitate?
could they agitate? 	could I be agitating?
could you be agitating?
could he be agitating?
could we be agitating?
could you be agitating?
could they be agitating? 	could I have agitated?
could you have agitated?
could he have agitated?
could we have agitated?
could you have agitated?
could they have agitated? 	could I have been agitating?
could you have been agitating?
could he have been agitating?
could we have been agitating?
could you have been agitating?
could they have been agitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I agitate?
couldn't you agitate?
couldn't he agitate?
couldn't we agitate?
couldn't you agitate?
couldn't they agitate? 	couldn't I be agitating?
couldn't you be agitating?
couldn't he be agitating?
couldn't we be agitating?
couldn't you be agitating?
couldn't they be agitating? 	couldn't I have agitated?
couldn't you have agitated?
couldn't he have agitated?
couldn't we have agitated?
couldn't you have agitated?
couldn't they have agitated? 	couldn't I have been agitating?
couldn't you have been agitating?
couldn't he have been agitating?
couldn't we have been agitating?
couldn't you have been agitating?
couldn't they have been agitating?