must lobby
Verbo regular: lobby - lobbied- lobbied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must lobby
you must lobby
he must lobby
we must lobby
you must lobby
they must lobby 	I must be lobbying
you must be lobbying
he must be lobbying
we must be lobbying
you must be lobbying
they must be lobbying	I must have lobbied
you must have lobbied
he must have lobbied
we must have lobbied
you must have lobbied
they must have lobbied	I must have been lobbying
you must have been lobbying
he must have been lobbying
we must have been lobbying
you must have been lobbying
they must have been lobbying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not lobby
you must not lobby
he must not lobby
we must not lobby
you must not lobby
they must not lobby 	I must not be lobbying
you must not be lobbying
he must not be lobbying
we must not be lobbying
you must not be lobbying
they must not be lobbying	I must not have lobbied
you must not have lobbied
he must not have lobbied
we must not have lobbied
you must not have lobbied
they must not have lobbied	I must not have been lobbying
you must not have been lobbying
he must not have been lobbying
we must not have been lobbying
you must not have been lobbying
they must not have been lobbying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I lobby?
must you lobby?
must he lobby?
must we lobby?
must you lobby?
must they lobby? 	must I be lobbying?
must you be lobbying?
must he be lobbying?
must we be lobbying?
must you be lobbying?
must they be lobbying? 	must I have lobbied?
must you have lobbied?
must he have lobbied?
must we have lobbied?
must you have lobbied?
must they have lobbied? 	must I have been lobbying?
must you have been lobbying?
must he have been lobbying?
must we have been lobbying?
must you have been lobbying?
must they have been lobbying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not lobby?
must you not lobby?
must he not lobby?
must we not lobby?
must you not lobby?
must they not lobby? 	must I not be lobbying?
must you not be lobbying?
must he not be lobbying?
must we not be lobbying?
must you not be lobbying?
must they not be lobbying? 	must I not have lobbied?
must you not have lobbied?
must he not have lobbied?
must we not have lobbied?
must you not have lobbied?
must they not have lobbied? 	must I not have been lobbying?
must you not have been lobbying?
must he not have been lobbying?
must we not have been lobbying?
must you not have been lobbying?
must they not have been lobbying?