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 must not fink
you must not fink
she must not fink
we must not fink
you must not fink
they must not fink 	I must not be finking
you must not be finking
she must not be finking
we must not be finking
you must not be finking
they must not be finking	I must not have finked
you must not have finked
she must not have finked
we must not have finked
you must not have finked
they must not have finked	I must not have been finking
you must not have been finking
she must not have been finking
we must not have been finking
you must not have been finking
they must not 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 	
must I not fink?
must you not fink?
must she not fink?
must we not fink?
must you not fink?
must they not fink? 	must I not be finking?
must you not be finking?
must she not be finking?
must we not be finking?
must you not be finking?
must they not be finking? 	must I not have finked?
must you not have finked?
must she not have finked?
must we not have finked?
must you not have finked?
must they not have finked? 	must I not have been finking?
must you not have been finking?
must she not have been finking?
must we not have been finking?
must you not have been finking?
must they not have been finking?