must padlock
Regular verb: padlock - padlocked- padlocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must padlock
you must padlock
he must padlock
we must padlock
you must padlock
they must padlock 	I must be padlocking
you must be padlocking
he must be padlocking
we must be padlocking
you must be padlocking
they must be padlocking	I must have padlocked
you must have padlocked
he must have padlocked
we must have padlocked
you must have padlocked
they must have padlocked	I must have been padlocking
you must have been padlocking
he must have been padlocking
we must have been padlocking
you must have been padlocking
they must have been padlocking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not padlock
you must not padlock
he must not padlock
we must not padlock
you must not padlock
they must not padlock 	I must not be padlocking
you must not be padlocking
he must not be padlocking
we must not be padlocking
you must not be padlocking
they must not be padlocking	I must not have padlocked
you must not have padlocked
he must not have padlocked
we must not have padlocked
you must not have padlocked
they must not have padlocked	I must not have been padlocking
you must not have been padlocking
he must not have been padlocking
we must not have been padlocking
you must not have been padlocking
they must not have been padlocking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I padlock?
must you padlock?
must he padlock?
must we padlock?
must you padlock?
must they padlock? 	must I be padlocking?
must you be padlocking?
must he be padlocking?
must we be padlocking?
must you be padlocking?
must they be padlocking? 	must I have padlocked?
must you have padlocked?
must he have padlocked?
must we have padlocked?
must you have padlocked?
must they have padlocked? 	must I have been padlocking?
must you have been padlocking?
must he have been padlocking?
must we have been padlocking?
must you have been padlocking?
must they have been padlocking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not padlock?
must you not padlock?
must he not padlock?
must we not padlock?
must you not padlock?
must they not padlock? 	must I not be padlocking?
must you not be padlocking?
must he not be padlocking?
must we not be padlocking?
must you not be padlocking?
must they not be padlocking? 	must I not have padlocked?
must you not have padlocked?
must he not have padlocked?
must we not have padlocked?
must you not have padlocked?
must they not have padlocked? 	must I not have been padlocking?
must you not have been padlocking?
must he not have been padlocking?
must we not have been padlocking?
must you not have been padlocking?
must they not have been padlocking?