must fink
Regular verb: fink - finked- finked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fink
you must fink
she must fink
we must fink
you must fink
they must fink 	I must be finking
you must be finking
she must be finking
we must be finking
you must be finking
they must be finking	I must have finked
you must have finked
she must have finked
we must have finked
you must have finked
they must have finked	I must have been finking
you must have been finking
she must have been finking
we must have been finking
you must have been finking
they must have been finking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't fink
you mustn't fink
she mustn't fink
we mustn't fink
you mustn't fink
they mustn't fink 	I mustn't be finking
you mustn't be finking
she mustn't be finking
we mustn't be finking
you mustn't be finking
they mustn't be finking	I mustn't have finked
you mustn't have finked
she mustn't have finked
we mustn't have finked
you mustn't have finked
they mustn't have finked	I mustn't have been finking
you mustn't have been finking
she mustn't have been finking
we mustn't have been finking
you mustn't have been finking
they mustn't have been finking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fink?
must you fink?
must she fink?
must we fink?
must you fink?
must they fink? 	must I be finking?
must you be finking?
must she be finking?
must we be finking?
must you be finking?
must they be finking? 	must I have finked?
must you have finked?
must she have finked?
must we have finked?
must you have finked?
must they have finked? 	must I have been finking?
must you have been finking?
must she have been finking?
must we have been finking?
must you have been finking?
must they have been finking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I fink?
mustn't you fink?
mustn't she fink?
mustn't we fink?
mustn't you fink?
mustn't they fink? 	mustn't I be finking?
mustn't you be finking?
mustn't she be finking?
mustn't we be finking?
mustn't you be finking?
mustn't they be finking? 	mustn't I have finked?
mustn't you have finked?
mustn't she have finked?
mustn't we have finked?
mustn't you have finked?
mustn't they have finked? 	mustn't I have been finking?
mustn't you have been finking?
mustn't she have been finking?
mustn't we have been finking?
mustn't you have been finking?
mustn't they have been finking?