must bastardise
Regular verb: bastardise - bastardised- bastardised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must bastardise
you must bastardise
he must bastardise
we must bastardise
you must bastardise
they must bastardise 	I must be bastardising
you must be bastardising
he must be bastardising
we must be bastardising
you must be bastardising
they must be bastardising	I must have bastardised
you must have bastardised
he must have bastardised
we must have bastardised
you must have bastardised
they must have bastardised	I must have been bastardising
you must have been bastardising
he must have been bastardising
we must have been bastardising
you must have been bastardising
they must have been bastardising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not bastardise
you must not bastardise
he must not bastardise
we must not bastardise
you must not bastardise
they must not bastardise 	I must not be bastardising
you must not be bastardising
he must not be bastardising
we must not be bastardising
you must not be bastardising
they must not be bastardising	I must not have bastardised
you must not have bastardised
he must not have bastardised
we must not have bastardised
you must not have bastardised
they must not have bastardised	I must not have been bastardising
you must not have been bastardising
he must not have been bastardising
we must not have been bastardising
you must not have been bastardising
they must not have been bastardising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I bastardise?
must you bastardise?
must he bastardise?
must we bastardise?
must you bastardise?
must they bastardise? 	must I be bastardising?
must you be bastardising?
must he be bastardising?
must we be bastardising?
must you be bastardising?
must they be bastardising? 	must I have bastardised?
must you have bastardised?
must he have bastardised?
must we have bastardised?
must you have bastardised?
must they have bastardised? 	must I have been bastardising?
must you have been bastardising?
must he have been bastardising?
must we have been bastardising?
must you have been bastardising?
must they have been bastardising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not bastardise?
must you not bastardise?
must he not bastardise?
must we not bastardise?
must you not bastardise?
must they not bastardise? 	must I not be bastardising?
must you not be bastardising?
must he not be bastardising?
must we not be bastardising?
must you not be bastardising?
must they not be bastardising? 	must I not have bastardised?
must you not have bastardised?
must he not have bastardised?
must we not have bastardised?
must you not have bastardised?
must they not have bastardised? 	must I not have been bastardising?
must you not have been bastardising?
must he not have been bastardising?
must we not have been bastardising?
must you not have been bastardising?
must they not have been bastardising?