could grommet
Regular verb: grommet - grommeted- grommeted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could grommet
you could grommet
he could grommet
we could grommet
you could grommet
they could grommet 	I could be grommeting
you could be grommeting
he could be grommeting
we could be grommeting
you could be grommeting
they could be grommeting	I could have grommeted
you could have grommeted
he could have grommeted
we could have grommeted
you could have grommeted
they could have grommeted	I could have been grommeting
you could have been grommeting
he could have been grommeting
we could have been grommeting
you could have been grommeting
they could have been grommeting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't grommet
you couldn't grommet
he couldn't grommet
we couldn't grommet
you couldn't grommet
they couldn't grommet 	I couldn't be grommeting
you couldn't be grommeting
he couldn't be grommeting
we couldn't be grommeting
you couldn't be grommeting
they couldn't be grommeting	I couldn't have grommeted
you couldn't have grommeted
he couldn't have grommeted
we couldn't have grommeted
you couldn't have grommeted
they couldn't have grommeted	I couldn't have been grommeting
you couldn't have been grommeting
he couldn't have been grommeting
we couldn't have been grommeting
you couldn't have been grommeting
they couldn't have been grommeting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I grommet?
could you grommet?
could he grommet?
could we grommet?
could you grommet?
could they grommet? 	could I be grommeting?
could you be grommeting?
could he be grommeting?
could we be grommeting?
could you be grommeting?
could they be grommeting? 	could I have grommeted?
could you have grommeted?
could he have grommeted?
could we have grommeted?
could you have grommeted?
could they have grommeted? 	could I have been grommeting?
could you have been grommeting?
could he have been grommeting?
could we have been grommeting?
could you have been grommeting?
could they have been grommeting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I grommet?
couldn't you grommet?
couldn't he grommet?
couldn't we grommet?
couldn't you grommet?
couldn't they grommet? 	couldn't I be grommeting?
couldn't you be grommeting?
couldn't he be grommeting?
couldn't we be grommeting?
couldn't you be grommeting?
couldn't they be grommeting? 	couldn't I have grommeted?
couldn't you have grommeted?
couldn't he have grommeted?
couldn't we have grommeted?
couldn't you have grommeted?
couldn't they have grommeted? 	couldn't I have been grommeting?
couldn't you have been grommeting?
couldn't he have been grommeting?
couldn't we have been grommeting?
couldn't you have been grommeting?
couldn't they have been grommeting?