could swot
Regular verb: swot - swotted- swotted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could swot
you could swot
he could swot
we could swot
you could swot
they could swot 	I could be swotting
you could be swotting
he could be swotting
we could be swotting
you could be swotting
they could be swotting	I could have swotted
you could have swotted
he could have swotted
we could have swotted
you could have swotted
they could have swotted	I could have been swotting
you could have been swotting
he could have been swotting
we could have been swotting
you could have been swotting
they could have been swotting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't swot
you couldn't swot
he couldn't swot
we couldn't swot
you couldn't swot
they couldn't swot 	I couldn't be swotting
you couldn't be swotting
he couldn't be swotting
we couldn't be swotting
you couldn't be swotting
they couldn't be swotting	I couldn't have swotted
you couldn't have swotted
he couldn't have swotted
we couldn't have swotted
you couldn't have swotted
they couldn't have swotted	I couldn't have been swotting
you couldn't have been swotting
he couldn't have been swotting
we couldn't have been swotting
you couldn't have been swotting
they couldn't have been swotting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I swot?
could you swot?
could he swot?
could we swot?
could you swot?
could they swot? 	could I be swotting?
could you be swotting?
could he be swotting?
could we be swotting?
could you be swotting?
could they be swotting? 	could I have swotted?
could you have swotted?
could he have swotted?
could we have swotted?
could you have swotted?
could they have swotted? 	could I have been swotting?
could you have been swotting?
could he have been swotting?
could we have been swotting?
could you have been swotting?
could they have been swotting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I swot?
couldn't you swot?
couldn't he swot?
couldn't we swot?
couldn't you swot?
couldn't they swot? 	couldn't I be swotting?
couldn't you be swotting?
couldn't he be swotting?
couldn't we be swotting?
couldn't you be swotting?
couldn't they be swotting? 	couldn't I have swotted?
couldn't you have swotted?
couldn't he have swotted?
couldn't we have swotted?
couldn't you have swotted?
couldn't they have swotted? 	couldn't I have been swotting?
couldn't you have been swotting?
couldn't he have been swotting?
couldn't we have been swotting?
couldn't you have been swotting?
couldn't they have been swotting?