could straggle
Regular verb: straggle - straggled- straggled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could straggle
you could straggle
she could straggle
we could straggle
you could straggle
they could straggle 	I could be straggling
you could be straggling
she could be straggling
we could be straggling
you could be straggling
they could be straggling	I could have straggled
you could have straggled
she could have straggled
we could have straggled
you could have straggled
they could have straggled	I could have been straggling
you could have been straggling
she could have been straggling
we could have been straggling
you could have been straggling
they could have been straggling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't straggle
you couldn't straggle
she couldn't straggle
we couldn't straggle
you couldn't straggle
they couldn't straggle 	I couldn't be straggling
you couldn't be straggling
she couldn't be straggling
we couldn't be straggling
you couldn't be straggling
they couldn't be straggling	I couldn't have straggled
you couldn't have straggled
she couldn't have straggled
we couldn't have straggled
you couldn't have straggled
they couldn't have straggled	I couldn't have been straggling
you couldn't have been straggling
she couldn't have been straggling
we couldn't have been straggling
you couldn't have been straggling
they couldn't have been straggling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I straggle?
could you straggle?
could she straggle?
could we straggle?
could you straggle?
could they straggle? 	could I be straggling?
could you be straggling?
could she be straggling?
could we be straggling?
could you be straggling?
could they be straggling? 	could I have straggled?
could you have straggled?
could she have straggled?
could we have straggled?
could you have straggled?
could they have straggled? 	could I have been straggling?
could you have been straggling?
could she have been straggling?
could we have been straggling?
could you have been straggling?
could they have been straggling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I straggle?
couldn't you straggle?
couldn't she straggle?
couldn't we straggle?
couldn't you straggle?
couldn't they straggle? 	couldn't I be straggling?
couldn't you be straggling?
couldn't she be straggling?
couldn't we be straggling?
couldn't you be straggling?
couldn't they be straggling? 	couldn't I have straggled?
couldn't you have straggled?
couldn't she have straggled?
couldn't we have straggled?
couldn't you have straggled?
couldn't they have straggled? 	couldn't I have been straggling?
couldn't you have been straggling?
couldn't she have been straggling?
couldn't we have been straggling?
couldn't you have been straggling?
couldn't they have been straggling?