could itinerate
Regular verb: itinerate - itinerated- itinerated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could itinerate
you could itinerate
he could itinerate
we could itinerate
you could itinerate
they could itinerate 	I could be itinerating
you could be itinerating
he could be itinerating
we could be itinerating
you could be itinerating
they could be itinerating	I could have itinerated
you could have itinerated
he could have itinerated
we could have itinerated
you could have itinerated
they could have itinerated	I could have been itinerating
you could have been itinerating
he could have been itinerating
we could have been itinerating
you could have been itinerating
they could have been itinerating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't itinerate
you couldn't itinerate
he couldn't itinerate
we couldn't itinerate
you couldn't itinerate
they couldn't itinerate 	I couldn't be itinerating
you couldn't be itinerating
he couldn't be itinerating
we couldn't be itinerating
you couldn't be itinerating
they couldn't be itinerating	I couldn't have itinerated
you couldn't have itinerated
he couldn't have itinerated
we couldn't have itinerated
you couldn't have itinerated
they couldn't have itinerated	I couldn't have been itinerating
you couldn't have been itinerating
he couldn't have been itinerating
we couldn't have been itinerating
you couldn't have been itinerating
they couldn't have been itinerating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I itinerate?
could you itinerate?
could he itinerate?
could we itinerate?
could you itinerate?
could they itinerate? 	could I be itinerating?
could you be itinerating?
could he be itinerating?
could we be itinerating?
could you be itinerating?
could they be itinerating? 	could I have itinerated?
could you have itinerated?
could he have itinerated?
could we have itinerated?
could you have itinerated?
could they have itinerated? 	could I have been itinerating?
could you have been itinerating?
could he have been itinerating?
could we have been itinerating?
could you have been itinerating?
could they have been itinerating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I itinerate?
couldn't you itinerate?
couldn't he itinerate?
couldn't we itinerate?
couldn't you itinerate?
couldn't they itinerate? 	couldn't I be itinerating?
couldn't you be itinerating?
couldn't he be itinerating?
couldn't we be itinerating?
couldn't you be itinerating?
couldn't they be itinerating? 	couldn't I have itinerated?
couldn't you have itinerated?
couldn't he have itinerated?
couldn't we have itinerated?
couldn't you have itinerated?
couldn't they have itinerated? 	couldn't I have been itinerating?
couldn't you have been itinerating?
couldn't he have been itinerating?
couldn't we have been itinerating?
couldn't you have been itinerating?
couldn't they have been itinerating?