must compete
Regular verb: compete - competed- competed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must compete
you must compete
she must compete
we must compete
you must compete
they must compete 	I must be competing
you must be competing
she must be competing
we must be competing
you must be competing
they must be competing	I must have competed
you must have competed
she must have competed
we must have competed
you must have competed
they must have competed	I must have been competing
you must have been competing
she must have been competing
we must have been competing
you must have been competing
they must have been competing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't compete
you mustn't compete
she mustn't compete
we mustn't compete
you mustn't compete
they mustn't compete 	I mustn't be competing
you mustn't be competing
she mustn't be competing
we mustn't be competing
you mustn't be competing
they mustn't be competing	I mustn't have competed
you mustn't have competed
she mustn't have competed
we mustn't have competed
you mustn't have competed
they mustn't have competed	I mustn't have been competing
you mustn't have been competing
she mustn't have been competing
we mustn't have been competing
you mustn't have been competing
they mustn't have been competing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I compete?
must you compete?
must she compete?
must we compete?
must you compete?
must they compete? 	must I be competing?
must you be competing?
must she be competing?
must we be competing?
must you be competing?
must they be competing? 	must I have competed?
must you have competed?
must she have competed?
must we have competed?
must you have competed?
must they have competed? 	must I have been competing?
must you have been competing?
must she have been competing?
must we have been competing?
must you have been competing?
must they have been competing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I compete?
mustn't you compete?
mustn't she compete?
mustn't we compete?
mustn't you compete?
mustn't they compete? 	mustn't I be competing?
mustn't you be competing?
mustn't she be competing?
mustn't we be competing?
mustn't you be competing?
mustn't they be competing? 	mustn't I have competed?
mustn't you have competed?
mustn't she have competed?
mustn't we have competed?
mustn't you have competed?
mustn't they have competed? 	mustn't I have been competing?
mustn't you have been competing?
mustn't she have been competing?
mustn't we have been competing?
mustn't you have been competing?
mustn't they have been competing?