could stray
Regular verb: stray - strayed- strayed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could stray
you could stray
she could stray
we could stray
you could stray
they could stray 	I could be straying
you could be straying
she could be straying
we could be straying
you could be straying
they could be straying	I could have strayed
you could have strayed
she could have strayed
we could have strayed
you could have strayed
they could have strayed	I could have been straying
you could have been straying
she could have been straying
we could have been straying
you could have been straying
they could have been straying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't stray
you couldn't stray
she couldn't stray
we couldn't stray
you couldn't stray
they couldn't stray 	I couldn't be straying
you couldn't be straying
she couldn't be straying
we couldn't be straying
you couldn't be straying
they couldn't be straying	I couldn't have strayed
you couldn't have strayed
she couldn't have strayed
we couldn't have strayed
you couldn't have strayed
they couldn't have strayed	I couldn't have been straying
you couldn't have been straying
she couldn't have been straying
we couldn't have been straying
you couldn't have been straying
they couldn't have been straying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I stray?
could you stray?
could she stray?
could we stray?
could you stray?
could they stray? 	could I be straying?
could you be straying?
could she be straying?
could we be straying?
could you be straying?
could they be straying? 	could I have strayed?
could you have strayed?
could she have strayed?
could we have strayed?
could you have strayed?
could they have strayed? 	could I have been straying?
could you have been straying?
could she have been straying?
could we have been straying?
could you have been straying?
could they have been straying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I stray?
couldn't you stray?
couldn't she stray?
couldn't we stray?
couldn't you stray?
couldn't they stray? 	couldn't I be straying?
couldn't you be straying?
couldn't she be straying?
couldn't we be straying?
couldn't you be straying?
couldn't they be straying? 	couldn't I have strayed?
couldn't you have strayed?
couldn't she have strayed?
couldn't we have strayed?
couldn't you have strayed?
couldn't they have strayed? 	couldn't I have been straying?
couldn't you have been straying?
couldn't she have been straying?
couldn't we have been straying?
couldn't you have been straying?
couldn't they have been straying?