must shin
Regular verb: shin - shinned- shinned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shin
you must shin
he must shin
we must shin
you must shin
they must shin 	I must be shinning
you must be shinning
he must be shinning
we must be shinning
you must be shinning
they must be shinning	I must have shinned
you must have shinned
he must have shinned
we must have shinned
you must have shinned
they must have shinned	I must have been shinning
you must have been shinning
he must have been shinning
we must have been shinning
you must have been shinning
they must have been shinning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not shin
you must not shin
he must not shin
we must not shin
you must not shin
they must not shin 	I must not be shinning
you must not be shinning
he must not be shinning
we must not be shinning
you must not be shinning
they must not be shinning	I must not have shinned
you must not have shinned
he must not have shinned
we must not have shinned
you must not have shinned
they must not have shinned	I must not have been shinning
you must not have been shinning
he must not have been shinning
we must not have been shinning
you must not have been shinning
they must not have been shinning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shin?
must you shin?
must he shin?
must we shin?
must you shin?
must they shin? 	must I be shinning?
must you be shinning?
must he be shinning?
must we be shinning?
must you be shinning?
must they be shinning? 	must I have shinned?
must you have shinned?
must he have shinned?
must we have shinned?
must you have shinned?
must they have shinned? 	must I have been shinning?
must you have been shinning?
must he have been shinning?
must we have been shinning?
must you have been shinning?
must they have been shinning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not shin?
must you not shin?
must he not shin?
must we not shin?
must you not shin?
must they not shin? 	must I not be shinning?
must you not be shinning?
must he not be shinning?
must we not be shinning?
must you not be shinning?
must they not be shinning? 	must I not have shinned?
must you not have shinned?
must he not have shinned?
must we not have shinned?
must you not have shinned?
must they not have shinned? 	must I not have been shinning?
must you not have been shinning?
must he not have been shinning?
must we not have been shinning?
must you not have been shinning?
must they not have been shinning?