must croquet
Regular verb: croquet - croqueted- croqueted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must croquet
you must croquet
he must croquet
we must croquet
you must croquet
they must croquet 	I must be croqueting
you must be croqueting
he must be croqueting
we must be croqueting
you must be croqueting
they must be croqueting	I must have croqueted
you must have croqueted
he must have croqueted
we must have croqueted
you must have croqueted
they must have croqueted	I must have been croqueting
you must have been croqueting
he must have been croqueting
we must have been croqueting
you must have been croqueting
they must have been croqueting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't croquet
you mustn't croquet
he mustn't croquet
we mustn't croquet
you mustn't croquet
they mustn't croquet 	I mustn't be croqueting
you mustn't be croqueting
he mustn't be croqueting
we mustn't be croqueting
you mustn't be croqueting
they mustn't be croqueting	I mustn't have croqueted
you mustn't have croqueted
he mustn't have croqueted
we mustn't have croqueted
you mustn't have croqueted
they mustn't have croqueted	I mustn't have been croqueting
you mustn't have been croqueting
he mustn't have been croqueting
we mustn't have been croqueting
you mustn't have been croqueting
they mustn't have been croqueting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I croquet?
must you croquet?
must he croquet?
must we croquet?
must you croquet?
must they croquet? 	must I be croqueting?
must you be croqueting?
must he be croqueting?
must we be croqueting?
must you be croqueting?
must they be croqueting? 	must I have croqueted?
must you have croqueted?
must he have croqueted?
must we have croqueted?
must you have croqueted?
must they have croqueted? 	must I have been croqueting?
must you have been croqueting?
must he have been croqueting?
must we have been croqueting?
must you have been croqueting?
must they have been croqueting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I croquet?
mustn't you croquet?
mustn't he croquet?
mustn't we croquet?
mustn't you croquet?
mustn't they croquet? 	mustn't I be croqueting?
mustn't you be croqueting?
mustn't he be croqueting?
mustn't we be croqueting?
mustn't you be croqueting?
mustn't they be croqueting? 	mustn't I have croqueted?
mustn't you have croqueted?
mustn't he have croqueted?
mustn't we have croqueted?
mustn't you have croqueted?
mustn't they have croqueted? 	mustn't I have been croqueting?
mustn't you have been croqueting?
mustn't he have been croqueting?
mustn't we have been croqueting?
mustn't you have been croqueting?
mustn't they have been croqueting?