must petrol-bomb
Regular verb: petrol-bomb - petrol-bombed- petrol-bombed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must petrol-bomb
you must petrol-bomb
he must petrol-bomb
we must petrol-bomb
you must petrol-bomb
they must petrol-bomb 	I must be petrol-bombing
you must be petrol-bombing
he must be petrol-bombing
we must be petrol-bombing
you must be petrol-bombing
they must be petrol-bombing	I must have petrol-bombed
you must have petrol-bombed
he must have petrol-bombed
we must have petrol-bombed
you must have petrol-bombed
they must have petrol-bombed	I must have been petrol-bombing
you must have been petrol-bombing
he must have been petrol-bombing
we must have been petrol-bombing
you must have been petrol-bombing
they must have been petrol-bombing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't petrol-bomb
you mustn't petrol-bomb
he mustn't petrol-bomb
we mustn't petrol-bomb
you mustn't petrol-bomb
they mustn't petrol-bomb 	I mustn't be petrol-bombing
you mustn't be petrol-bombing
he mustn't be petrol-bombing
we mustn't be petrol-bombing
you mustn't be petrol-bombing
they mustn't be petrol-bombing	I mustn't have petrol-bombed
you mustn't have petrol-bombed
he mustn't have petrol-bombed
we mustn't have petrol-bombed
you mustn't have petrol-bombed
they mustn't have petrol-bombed	I mustn't have been petrol-bombing
you mustn't have been petrol-bombing
he mustn't have been petrol-bombing
we mustn't have been petrol-bombing
you mustn't have been petrol-bombing
they mustn't have been petrol-bombing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I petrol-bomb?
must you petrol-bomb?
must he petrol-bomb?
must we petrol-bomb?
must you petrol-bomb?
must they petrol-bomb? 	must I be petrol-bombing?
must you be petrol-bombing?
must he be petrol-bombing?
must we be petrol-bombing?
must you be petrol-bombing?
must they be petrol-bombing? 	must I have petrol-bombed?
must you have petrol-bombed?
must he have petrol-bombed?
must we have petrol-bombed?
must you have petrol-bombed?
must they have petrol-bombed? 	must I have been petrol-bombing?
must you have been petrol-bombing?
must he have been petrol-bombing?
must we have been petrol-bombing?
must you have been petrol-bombing?
must they have been petrol-bombing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I petrol-bomb?
mustn't you petrol-bomb?
mustn't he petrol-bomb?
mustn't we petrol-bomb?
mustn't you petrol-bomb?
mustn't they petrol-bomb? 	mustn't I be petrol-bombing?
mustn't you be petrol-bombing?
mustn't he be petrol-bombing?
mustn't we be petrol-bombing?
mustn't you be petrol-bombing?
mustn't they be petrol-bombing? 	mustn't I have petrol-bombed?
mustn't you have petrol-bombed?
mustn't he have petrol-bombed?
mustn't we have petrol-bombed?
mustn't you have petrol-bombed?
mustn't they have petrol-bombed? 	mustn't I have been petrol-bombing?
mustn't you have been petrol-bombing?
mustn't he have been petrol-bombing?
mustn't we have been petrol-bombing?
mustn't you have been petrol-bombing?
mustn't they have been petrol-bombing?