could rugby-tackle
Regular verb: rugby-tackle - rugby-tackled- rugby-tackled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rugby-tackle
you could rugby-tackle
he could rugby-tackle
we could rugby-tackle
you could rugby-tackle
they could rugby-tackle 	I could be rugby-tackling
you could be rugby-tackling
he could be rugby-tackling
we could be rugby-tackling
you could be rugby-tackling
they could be rugby-tackling	I could have rugby-tackled
you could have rugby-tackled
he could have rugby-tackled
we could have rugby-tackled
you could have rugby-tackled
they could have rugby-tackled	I could have been rugby-tackling
you could have been rugby-tackling
he could have been rugby-tackling
we could have been rugby-tackling
you could have been rugby-tackling
they could have been rugby-tackling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't rugby-tackle
you couldn't rugby-tackle
he couldn't rugby-tackle
we couldn't rugby-tackle
you couldn't rugby-tackle
they couldn't rugby-tackle 	I couldn't be rugby-tackling
you couldn't be rugby-tackling
he couldn't be rugby-tackling
we couldn't be rugby-tackling
you couldn't be rugby-tackling
they couldn't be rugby-tackling	I couldn't have rugby-tackled
you couldn't have rugby-tackled
he couldn't have rugby-tackled
we couldn't have rugby-tackled
you couldn't have rugby-tackled
they couldn't have rugby-tackled	I couldn't have been rugby-tackling
you couldn't have been rugby-tackling
he couldn't have been rugby-tackling
we couldn't have been rugby-tackling
you couldn't have been rugby-tackling
they couldn't have been rugby-tackling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rugby-tackle?
could you rugby-tackle?
could he rugby-tackle?
could we rugby-tackle?
could you rugby-tackle?
could they rugby-tackle? 	could I be rugby-tackling?
could you be rugby-tackling?
could he be rugby-tackling?
could we be rugby-tackling?
could you be rugby-tackling?
could they be rugby-tackling? 	could I have rugby-tackled?
could you have rugby-tackled?
could he have rugby-tackled?
could we have rugby-tackled?
could you have rugby-tackled?
could they have rugby-tackled? 	could I have been rugby-tackling?
could you have been rugby-tackling?
could he have been rugby-tackling?
could we have been rugby-tackling?
could you have been rugby-tackling?
could they have been rugby-tackling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I rugby-tackle?
couldn't you rugby-tackle?
couldn't he rugby-tackle?
couldn't we rugby-tackle?
couldn't you rugby-tackle?
couldn't they rugby-tackle? 	couldn't I be rugby-tackling?
couldn't you be rugby-tackling?
couldn't he be rugby-tackling?
couldn't we be rugby-tackling?
couldn't you be rugby-tackling?
couldn't they be rugby-tackling? 	couldn't I have rugby-tackled?
couldn't you have rugby-tackled?
couldn't he have rugby-tackled?
couldn't we have rugby-tackled?
couldn't you have rugby-tackled?
couldn't they have rugby-tackled? 	couldn't I have been rugby-tackling?
couldn't you have been rugby-tackling?
couldn't he have been rugby-tackling?
couldn't we have been rugby-tackling?
couldn't you have been rugby-tackling?
couldn't they have been rugby-tackling?