must cabin
Regular verb: cabin - cabined- cabined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cabin
you must cabin
she must cabin
we must cabin
you must cabin
they must cabin 	I must be cabining
you must be cabining
she must be cabining
we must be cabining
you must be cabining
they must be cabining	I must have cabined
you must have cabined
she must have cabined
we must have cabined
you must have cabined
they must have cabined	I must have been cabining
you must have been cabining
she must have been cabining
we must have been cabining
you must have been cabining
they must have been cabining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't cabin
you mustn't cabin
she mustn't cabin
we mustn't cabin
you mustn't cabin
they mustn't cabin 	I mustn't be cabining
you mustn't be cabining
she mustn't be cabining
we mustn't be cabining
you mustn't be cabining
they mustn't be cabining	I mustn't have cabined
you mustn't have cabined
she mustn't have cabined
we mustn't have cabined
you mustn't have cabined
they mustn't have cabined	I mustn't have been cabining
you mustn't have been cabining
she mustn't have been cabining
we mustn't have been cabining
you mustn't have been cabining
they mustn't have been cabining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I cabin?
must you cabin?
must she cabin?
must we cabin?
must you cabin?
must they cabin? 	must I be cabining?
must you be cabining?
must she be cabining?
must we be cabining?
must you be cabining?
must they be cabining? 	must I have cabined?
must you have cabined?
must she have cabined?
must we have cabined?
must you have cabined?
must they have cabined? 	must I have been cabining?
must you have been cabining?
must she have been cabining?
must we have been cabining?
must you have been cabining?
must they have been cabining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I cabin?
mustn't you cabin?
mustn't she cabin?
mustn't we cabin?
mustn't you cabin?
mustn't they cabin? 	mustn't I be cabining?
mustn't you be cabining?
mustn't she be cabining?
mustn't we be cabining?
mustn't you be cabining?
mustn't they be cabining? 	mustn't I have cabined?
mustn't you have cabined?
mustn't she have cabined?
mustn't we have cabined?
mustn't you have cabined?
mustn't they have cabined? 	mustn't I have been cabining?
mustn't you have been cabining?
mustn't she have been cabining?
mustn't we have been cabining?
mustn't you have been cabining?
mustn't they have been cabining?