could outstrive
Verbe irrégulier : outstrive - outstrove- outstriven

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could outstrive
you could outstrive
she could outstrive
we could outstrive
you could outstrive
they could outstrive 	I could be outstriving
you could be outstriving
she could be outstriving
we could be outstriving
you could be outstriving
they could be outstriving	I could have outstriven
you could have outstriven
she could have outstriven
we could have outstriven
you could have outstriven
they could have outstriven	I could have been outstriving
you could have been outstriving
she could have been outstriving
we could have been outstriving
you could have been outstriving
they could have been outstriving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't outstrive
you couldn't outstrive
she couldn't outstrive
we couldn't outstrive
you couldn't outstrive
they couldn't outstrive 	I couldn't be outstriving
you couldn't be outstriving
she couldn't be outstriving
we couldn't be outstriving
you couldn't be outstriving
they couldn't be outstriving	I couldn't have outstriven
you couldn't have outstriven
she couldn't have outstriven
we couldn't have outstriven
you couldn't have outstriven
they couldn't have outstriven	I couldn't have been outstriving
you couldn't have been outstriving
she couldn't have been outstriving
we couldn't have been outstriving
you couldn't have been outstriving
they couldn't have been outstriving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I outstrive?
could you outstrive?
could she outstrive?
could we outstrive?
could you outstrive?
could they outstrive? 	could I be outstriving?
could you be outstriving?
could she be outstriving?
could we be outstriving?
could you be outstriving?
could they be outstriving? 	could I have outstriven?
could you have outstriven?
could she have outstriven?
could we have outstriven?
could you have outstriven?
could they have outstriven? 	could I have been outstriving?
could you have been outstriving?
could she have been outstriving?
could we have been outstriving?
could you have been outstriving?
could they have been outstriving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I outstrive?
couldn't you outstrive?
couldn't she outstrive?
couldn't we outstrive?
couldn't you outstrive?
couldn't they outstrive? 	couldn't I be outstriving?
couldn't you be outstriving?
couldn't she be outstriving?
couldn't we be outstriving?
couldn't you be outstriving?
couldn't they be outstriving? 	couldn't I have outstriven?
couldn't you have outstriven?
couldn't she have outstriven?
couldn't we have outstriven?
couldn't you have outstriven?
couldn't they have outstriven? 	couldn't I have been outstriving?
couldn't you have been outstriving?
couldn't she have been outstriving?
couldn't we have been outstriving?
couldn't you have been outstriving?
couldn't they have been outstriving?