must sponsor
Regular verb: sponsor - sponsored- sponsored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sponsor
you must sponsor
she must sponsor
we must sponsor
you must sponsor
they must sponsor 	I must be sponsoring
you must be sponsoring
she must be sponsoring
we must be sponsoring
you must be sponsoring
they must be sponsoring	I must have sponsored
you must have sponsored
she must have sponsored
we must have sponsored
you must have sponsored
they must have sponsored	I must have been sponsoring
you must have been sponsoring
she must have been sponsoring
we must have been sponsoring
you must have been sponsoring
they must have been sponsoring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't sponsor
you mustn't sponsor
she mustn't sponsor
we mustn't sponsor
you mustn't sponsor
they mustn't sponsor 	I mustn't be sponsoring
you mustn't be sponsoring
she mustn't be sponsoring
we mustn't be sponsoring
you mustn't be sponsoring
they mustn't be sponsoring	I mustn't have sponsored
you mustn't have sponsored
she mustn't have sponsored
we mustn't have sponsored
you mustn't have sponsored
they mustn't have sponsored	I mustn't have been sponsoring
you mustn't have been sponsoring
she mustn't have been sponsoring
we mustn't have been sponsoring
you mustn't have been sponsoring
they mustn't have been sponsoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sponsor?
must you sponsor?
must she sponsor?
must we sponsor?
must you sponsor?
must they sponsor? 	must I be sponsoring?
must you be sponsoring?
must she be sponsoring?
must we be sponsoring?
must you be sponsoring?
must they be sponsoring? 	must I have sponsored?
must you have sponsored?
must she have sponsored?
must we have sponsored?
must you have sponsored?
must they have sponsored? 	must I have been sponsoring?
must you have been sponsoring?
must she have been sponsoring?
must we have been sponsoring?
must you have been sponsoring?
must they have been sponsoring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I sponsor?
mustn't you sponsor?
mustn't she sponsor?
mustn't we sponsor?
mustn't you sponsor?
mustn't they sponsor? 	mustn't I be sponsoring?
mustn't you be sponsoring?
mustn't she be sponsoring?
mustn't we be sponsoring?
mustn't you be sponsoring?
mustn't they be sponsoring? 	mustn't I have sponsored?
mustn't you have sponsored?
mustn't she have sponsored?
mustn't we have sponsored?
mustn't you have sponsored?
mustn't they have sponsored? 	mustn't I have been sponsoring?
mustn't you have been sponsoring?
mustn't she have been sponsoring?
mustn't we have been sponsoring?
mustn't you have been sponsoring?
mustn't they have been sponsoring?