could swill
Regular verb: swill - swilled- swilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could swill
you could swill
he could swill
we could swill
you could swill
they could swill 	I could be swilling
you could be swilling
he could be swilling
we could be swilling
you could be swilling
they could be swilling	I could have swilled
you could have swilled
he could have swilled
we could have swilled
you could have swilled
they could have swilled	I could have been swilling
you could have been swilling
he could have been swilling
we could have been swilling
you could have been swilling
they could have been swilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't swill
you couldn't swill
he couldn't swill
we couldn't swill
you couldn't swill
they couldn't swill 	I couldn't be swilling
you couldn't be swilling
he couldn't be swilling
we couldn't be swilling
you couldn't be swilling
they couldn't be swilling	I couldn't have swilled
you couldn't have swilled
he couldn't have swilled
we couldn't have swilled
you couldn't have swilled
they couldn't have swilled	I couldn't have been swilling
you couldn't have been swilling
he couldn't have been swilling
we couldn't have been swilling
you couldn't have been swilling
they couldn't have been swilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I swill?
could you swill?
could he swill?
could we swill?
could you swill?
could they swill? 	could I be swilling?
could you be swilling?
could he be swilling?
could we be swilling?
could you be swilling?
could they be swilling? 	could I have swilled?
could you have swilled?
could he have swilled?
could we have swilled?
could you have swilled?
could they have swilled? 	could I have been swilling?
could you have been swilling?
could he have been swilling?
could we have been swilling?
could you have been swilling?
could they have been swilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I swill?
couldn't you swill?
couldn't he swill?
couldn't we swill?
couldn't you swill?
couldn't they swill? 	couldn't I be swilling?
couldn't you be swilling?
couldn't he be swilling?
couldn't we be swilling?
couldn't you be swilling?
couldn't they be swilling? 	couldn't I have swilled?
couldn't you have swilled?
couldn't he have swilled?
couldn't we have swilled?
couldn't you have swilled?
couldn't they have swilled? 	couldn't I have been swilling?
couldn't you have been swilling?
couldn't he have been swilling?
couldn't we have been swilling?
couldn't you have been swilling?
couldn't they have been swilling?