must line
Regular verb: line - lined- lined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must line
you must line
he must line
we must line
you must line
they must line 	I must be lining
you must be lining
he must be lining
we must be lining
you must be lining
they must be lining	I must have lined
you must have lined
he must have lined
we must have lined
you must have lined
they must have lined	I must have been lining
you must have been lining
he must have been lining
we must have been lining
you must have been lining
they must have been lining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not line
you must not line
he must not line
we must not line
you must not line
they must not line 	I must not be lining
you must not be lining
he must not be lining
we must not be lining
you must not be lining
they must not be lining	I must not have lined
you must not have lined
he must not have lined
we must not have lined
you must not have lined
they must not have lined	I must not have been lining
you must not have been lining
he must not have been lining
we must not have been lining
you must not have been lining
they must not have been lining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I line?
must you line?
must he line?
must we line?
must you line?
must they line? 	must I be lining?
must you be lining?
must he be lining?
must we be lining?
must you be lining?
must they be lining? 	must I have lined?
must you have lined?
must he have lined?
must we have lined?
must you have lined?
must they have lined? 	must I have been lining?
must you have been lining?
must he have been lining?
must we have been lining?
must you have been lining?
must they have been lining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not line?
must you not line?
must he not line?
must we not line?
must you not line?
must they not line? 	must I not be lining?
must you not be lining?
must he not be lining?
must we not be lining?
must you not be lining?
must they not be lining? 	must I not have lined?
must you not have lined?
must he not have lined?
must we not have lined?
must you not have lined?
must they not have lined? 	must I not have been lining?
must you not have been lining?
must he not have been lining?
must we not have been lining?
must you not have been lining?
must they not have been lining?