could outthieve
Regular verb: outthieve - outthieved- outthieved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could outthieve
you could outthieve
she could outthieve
we could outthieve
you could outthieve
they could outthieve 	I could be outthieving
you could be outthieving
she could be outthieving
we could be outthieving
you could be outthieving
they could be outthieving	I could have outthieved
you could have outthieved
she could have outthieved
we could have outthieved
you could have outthieved
they could have outthieved	I could have been outthieving
you could have been outthieving
she could have been outthieving
we could have been outthieving
you could have been outthieving
they could have been outthieving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't outthieve
you couldn't outthieve
she couldn't outthieve
we couldn't outthieve
you couldn't outthieve
they couldn't outthieve 	I couldn't be outthieving
you couldn't be outthieving
she couldn't be outthieving
we couldn't be outthieving
you couldn't be outthieving
they couldn't be outthieving	I couldn't have outthieved
you couldn't have outthieved
she couldn't have outthieved
we couldn't have outthieved
you couldn't have outthieved
they couldn't have outthieved	I couldn't have been outthieving
you couldn't have been outthieving
she couldn't have been outthieving
we couldn't have been outthieving
you couldn't have been outthieving
they couldn't have been outthieving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I outthieve?
could you outthieve?
could she outthieve?
could we outthieve?
could you outthieve?
could they outthieve? 	could I be outthieving?
could you be outthieving?
could she be outthieving?
could we be outthieving?
could you be outthieving?
could they be outthieving? 	could I have outthieved?
could you have outthieved?
could she have outthieved?
could we have outthieved?
could you have outthieved?
could they have outthieved? 	could I have been outthieving?
could you have been outthieving?
could she have been outthieving?
could we have been outthieving?
could you have been outthieving?
could they have been outthieving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I outthieve?
couldn't you outthieve?
couldn't she outthieve?
couldn't we outthieve?
couldn't you outthieve?
couldn't they outthieve? 	couldn't I be outthieving?
couldn't you be outthieving?
couldn't she be outthieving?
couldn't we be outthieving?
couldn't you be outthieving?
couldn't they be outthieving? 	couldn't I have outthieved?
couldn't you have outthieved?
couldn't she have outthieved?
couldn't we have outthieved?
couldn't you have outthieved?
couldn't they have outthieved? 	couldn't I have been outthieving?
couldn't you have been outthieving?
couldn't she have been outthieving?
couldn't we have been outthieving?
couldn't you have been outthieving?
couldn't they have been outthieving?