must surprise
Regular verb: surprise - surprised- surprised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must surprise
you must surprise
he must surprise
we must surprise
you must surprise
they must surprise 	I must be surprising
you must be surprising
he must be surprising
we must be surprising
you must be surprising
they must be surprising	I must have surprised
you must have surprised
he must have surprised
we must have surprised
you must have surprised
they must have surprised	I must have been surprising
you must have been surprising
he must have been surprising
we must have been surprising
you must have been surprising
they must have been surprising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't surprise
you mustn't surprise
he mustn't surprise
we mustn't surprise
you mustn't surprise
they mustn't surprise 	I mustn't be surprising
you mustn't be surprising
he mustn't be surprising
we mustn't be surprising
you mustn't be surprising
they mustn't be surprising	I mustn't have surprised
you mustn't have surprised
he mustn't have surprised
we mustn't have surprised
you mustn't have surprised
they mustn't have surprised	I mustn't have been surprising
you mustn't have been surprising
he mustn't have been surprising
we mustn't have been surprising
you mustn't have been surprising
they mustn't have been surprising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I surprise?
must you surprise?
must he surprise?
must we surprise?
must you surprise?
must they surprise? 	must I be surprising?
must you be surprising?
must he be surprising?
must we be surprising?
must you be surprising?
must they be surprising? 	must I have surprised?
must you have surprised?
must he have surprised?
must we have surprised?
must you have surprised?
must they have surprised? 	must I have been surprising?
must you have been surprising?
must he have been surprising?
must we have been surprising?
must you have been surprising?
must they have been surprising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I surprise?
mustn't you surprise?
mustn't he surprise?
mustn't we surprise?
mustn't you surprise?
mustn't they surprise? 	mustn't I be surprising?
mustn't you be surprising?
mustn't he be surprising?
mustn't we be surprising?
mustn't you be surprising?
mustn't they be surprising? 	mustn't I have surprised?
mustn't you have surprised?
mustn't he have surprised?
mustn't we have surprised?
mustn't you have surprised?
mustn't they have surprised? 	mustn't I have been surprising?
mustn't you have been surprising?
mustn't he have been surprising?
mustn't we have been surprising?
mustn't you have been surprising?
mustn't they have been surprising?