must emplane
Regular verb: emplane - emplaned- emplaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must emplane
you must emplane
she must emplane
we must emplane
you must emplane
they must emplane 	I must be emplaning
you must be emplaning
she must be emplaning
we must be emplaning
you must be emplaning
they must be emplaning	I must have emplaned
you must have emplaned
she must have emplaned
we must have emplaned
you must have emplaned
they must have emplaned	I must have been emplaning
you must have been emplaning
she must have been emplaning
we must have been emplaning
you must have been emplaning
they must have been emplaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't emplane
you mustn't emplane
she mustn't emplane
we mustn't emplane
you mustn't emplane
they mustn't emplane 	I mustn't be emplaning
you mustn't be emplaning
she mustn't be emplaning
we mustn't be emplaning
you mustn't be emplaning
they mustn't be emplaning	I mustn't have emplaned
you mustn't have emplaned
she mustn't have emplaned
we mustn't have emplaned
you mustn't have emplaned
they mustn't have emplaned	I mustn't have been emplaning
you mustn't have been emplaning
she mustn't have been emplaning
we mustn't have been emplaning
you mustn't have been emplaning
they mustn't have been emplaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I emplane?
must you emplane?
must she emplane?
must we emplane?
must you emplane?
must they emplane? 	must I be emplaning?
must you be emplaning?
must she be emplaning?
must we be emplaning?
must you be emplaning?
must they be emplaning? 	must I have emplaned?
must you have emplaned?
must she have emplaned?
must we have emplaned?
must you have emplaned?
must they have emplaned? 	must I have been emplaning?
must you have been emplaning?
must she have been emplaning?
must we have been emplaning?
must you have been emplaning?
must they have been emplaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I emplane?
mustn't you emplane?
mustn't she emplane?
mustn't we emplane?
mustn't you emplane?
mustn't they emplane? 	mustn't I be emplaning?
mustn't you be emplaning?
mustn't she be emplaning?
mustn't we be emplaning?
mustn't you be emplaning?
mustn't they be emplaning? 	mustn't I have emplaned?
mustn't you have emplaned?
mustn't she have emplaned?
mustn't we have emplaned?
mustn't you have emplaned?
mustn't they have emplaned? 	mustn't I have been emplaning?
mustn't you have been emplaning?
mustn't she have been emplaning?
mustn't we have been emplaning?
mustn't you have been emplaning?
mustn't they have been emplaning?