could redshirt
Regular verb: redshirt - redshirted- redshirted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could redshirt
you could redshirt
he could redshirt
we could redshirt
you could redshirt
they could redshirt 	I could be redshirting
you could be redshirting
he could be redshirting
we could be redshirting
you could be redshirting
they could be redshirting	I could have redshirted
you could have redshirted
he could have redshirted
we could have redshirted
you could have redshirted
they could have redshirted	I could have been redshirting
you could have been redshirting
he could have been redshirting
we could have been redshirting
you could have been redshirting
they could have been redshirting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't redshirt
you couldn't redshirt
he couldn't redshirt
we couldn't redshirt
you couldn't redshirt
they couldn't redshirt 	I couldn't be redshirting
you couldn't be redshirting
he couldn't be redshirting
we couldn't be redshirting
you couldn't be redshirting
they couldn't be redshirting	I couldn't have redshirted
you couldn't have redshirted
he couldn't have redshirted
we couldn't have redshirted
you couldn't have redshirted
they couldn't have redshirted	I couldn't have been redshirting
you couldn't have been redshirting
he couldn't have been redshirting
we couldn't have been redshirting
you couldn't have been redshirting
they couldn't have been redshirting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I redshirt?
could you redshirt?
could he redshirt?
could we redshirt?
could you redshirt?
could they redshirt? 	could I be redshirting?
could you be redshirting?
could he be redshirting?
could we be redshirting?
could you be redshirting?
could they be redshirting? 	could I have redshirted?
could you have redshirted?
could he have redshirted?
could we have redshirted?
could you have redshirted?
could they have redshirted? 	could I have been redshirting?
could you have been redshirting?
could he have been redshirting?
could we have been redshirting?
could you have been redshirting?
could they have been redshirting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I redshirt?
couldn't you redshirt?
couldn't he redshirt?
couldn't we redshirt?
couldn't you redshirt?
couldn't they redshirt? 	couldn't I be redshirting?
couldn't you be redshirting?
couldn't he be redshirting?
couldn't we be redshirting?
couldn't you be redshirting?
couldn't they be redshirting? 	couldn't I have redshirted?
couldn't you have redshirted?
couldn't he have redshirted?
couldn't we have redshirted?
couldn't you have redshirted?
couldn't they have redshirted? 	couldn't I have been redshirting?
couldn't you have been redshirting?
couldn't he have been redshirting?
couldn't we have been redshirting?
couldn't you have been redshirting?
couldn't they have been redshirting?