must pebble
Verbo regolare: pebble - pebbled- pebbled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must pebble
you must pebble
he must pebble
we must pebble
you must pebble
they must pebble 	I must be pebbling
you must be pebbling
he must be pebbling
we must be pebbling
you must be pebbling
they must be pebbling	I must have pebbled
you must have pebbled
he must have pebbled
we must have pebbled
you must have pebbled
they must have pebbled	I must have been pebbling
you must have been pebbling
he must have been pebbling
we must have been pebbling
you must have been pebbling
they must have been pebbling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not pebble
you must not pebble
he must not pebble
we must not pebble
you must not pebble
they must not pebble 	I must not be pebbling
you must not be pebbling
he must not be pebbling
we must not be pebbling
you must not be pebbling
they must not be pebbling	I must not have pebbled
you must not have pebbled
he must not have pebbled
we must not have pebbled
you must not have pebbled
they must not have pebbled	I must not have been pebbling
you must not have been pebbling
he must not have been pebbling
we must not have been pebbling
you must not have been pebbling
they must not have been pebbling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I pebble?
must you pebble?
must he pebble?
must we pebble?
must you pebble?
must they pebble? 	must I be pebbling?
must you be pebbling?
must he be pebbling?
must we be pebbling?
must you be pebbling?
must they be pebbling? 	must I have pebbled?
must you have pebbled?
must he have pebbled?
must we have pebbled?
must you have pebbled?
must they have pebbled? 	must I have been pebbling?
must you have been pebbling?
must he have been pebbling?
must we have been pebbling?
must you have been pebbling?
must they have been pebbling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not pebble?
must you not pebble?
must he not pebble?
must we not pebble?
must you not pebble?
must they not pebble? 	must I not be pebbling?
must you not be pebbling?
must he not be pebbling?
must we not be pebbling?
must you not be pebbling?
must they not be pebbling? 	must I not have pebbled?
must you not have pebbled?
must he not have pebbled?
must we not have pebbled?
must you not have pebbled?
must they not have pebbled? 	must I not have been pebbling?
must you not have been pebbling?
must he not have been pebbling?
must we not have been pebbling?
must you not have been pebbling?
must they not have been pebbling?