could lobby
Regular verb: lobby - lobbied- lobbied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lobby
you could lobby
he could lobby
we could lobby
you could lobby
they could lobby 	I could be lobbying
you could be lobbying
he could be lobbying
we could be lobbying
you could be lobbying
they could be lobbying	I could have lobbied
you could have lobbied
he could have lobbied
we could have lobbied
you could have lobbied
they could have lobbied	I could have been lobbying
you could have been lobbying
he could have been lobbying
we could have been lobbying
you could have been lobbying
they could have been lobbying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lobby
you couldn't lobby
he couldn't lobby
we couldn't lobby
you couldn't lobby
they couldn't lobby 	I couldn't be lobbying
you couldn't be lobbying
he couldn't be lobbying
we couldn't be lobbying
you couldn't be lobbying
they couldn't be lobbying	I couldn't have lobbied
you couldn't have lobbied
he couldn't have lobbied
we couldn't have lobbied
you couldn't have lobbied
they couldn't have lobbied	I couldn't have been lobbying
you couldn't have been lobbying
he couldn't have been lobbying
we couldn't have been lobbying
you couldn't have been lobbying
they couldn't have been lobbying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lobby?
could you lobby?
could he lobby?
could we lobby?
could you lobby?
could they lobby? 	could I be lobbying?
could you be lobbying?
could he be lobbying?
could we be lobbying?
could you be lobbying?
could they be lobbying? 	could I have lobbied?
could you have lobbied?
could he have lobbied?
could we have lobbied?
could you have lobbied?
could they have lobbied? 	could I have been lobbying?
could you have been lobbying?
could he have been lobbying?
could we have been lobbying?
could you have been lobbying?
could they have been lobbying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lobby?
couldn't you lobby?
couldn't he lobby?
couldn't we lobby?
couldn't you lobby?
couldn't they lobby? 	couldn't I be lobbying?
couldn't you be lobbying?
couldn't he be lobbying?
couldn't we be lobbying?
couldn't you be lobbying?
couldn't they be lobbying? 	couldn't I have lobbied?
couldn't you have lobbied?
couldn't he have lobbied?
couldn't we have lobbied?
couldn't you have lobbied?
couldn't they have lobbied? 	couldn't I have been lobbying?
couldn't you have been lobbying?
couldn't he have been lobbying?
couldn't we have been lobbying?
couldn't you have been lobbying?
couldn't they have been lobbying?