could hoover
Regular verb: hoover - hoovered- hoovered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hoover
you could hoover
he could hoover
we could hoover
you could hoover
they could hoover 	I could be hoovering
you could be hoovering
he could be hoovering
we could be hoovering
you could be hoovering
they could be hoovering	I could have hoovered
you could have hoovered
he could have hoovered
we could have hoovered
you could have hoovered
they could have hoovered	I could have been hoovering
you could have been hoovering
he could have been hoovering
we could have been hoovering
you could have been hoovering
they could have been hoovering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't hoover
you couldn't hoover
he couldn't hoover
we couldn't hoover
you couldn't hoover
they couldn't hoover 	I couldn't be hoovering
you couldn't be hoovering
he couldn't be hoovering
we couldn't be hoovering
you couldn't be hoovering
they couldn't be hoovering	I couldn't have hoovered
you couldn't have hoovered
he couldn't have hoovered
we couldn't have hoovered
you couldn't have hoovered
they couldn't have hoovered	I couldn't have been hoovering
you couldn't have been hoovering
he couldn't have been hoovering
we couldn't have been hoovering
you couldn't have been hoovering
they couldn't have been hoovering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hoover?
could you hoover?
could he hoover?
could we hoover?
could you hoover?
could they hoover? 	could I be hoovering?
could you be hoovering?
could he be hoovering?
could we be hoovering?
could you be hoovering?
could they be hoovering? 	could I have hoovered?
could you have hoovered?
could he have hoovered?
could we have hoovered?
could you have hoovered?
could they have hoovered? 	could I have been hoovering?
could you have been hoovering?
could he have been hoovering?
could we have been hoovering?
could you have been hoovering?
could they have been hoovering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I hoover?
couldn't you hoover?
couldn't he hoover?
couldn't we hoover?
couldn't you hoover?
couldn't they hoover? 	couldn't I be hoovering?
couldn't you be hoovering?
couldn't he be hoovering?
couldn't we be hoovering?
couldn't you be hoovering?
couldn't they be hoovering? 	couldn't I have hoovered?
couldn't you have hoovered?
couldn't he have hoovered?
couldn't we have hoovered?
couldn't you have hoovered?
couldn't they have hoovered? 	couldn't I have been hoovering?
couldn't you have been hoovering?
couldn't he have been hoovering?
couldn't we have been hoovering?
couldn't you have been hoovering?
couldn't they have been hoovering?