must find
Irregular verb: find - found- found

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must find
you must find
she must find
we must find
you must find
they must find 	I must be finding
you must be finding
she must be finding
we must be finding
you must be finding
they must be finding	I must have found
you must have found
she must have found
we must have found
you must have found
they must have found	I must have been finding
you must have been finding
she must have been finding
we must have been finding
you must have been finding
they must have been finding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't find
you mustn't find
she mustn't find
we mustn't find
you mustn't find
they mustn't find 	I mustn't be finding
you mustn't be finding
she mustn't be finding
we mustn't be finding
you mustn't be finding
they mustn't be finding	I mustn't have found
you mustn't have found
she mustn't have found
we mustn't have found
you mustn't have found
they mustn't have found	I mustn't have been finding
you mustn't have been finding
she mustn't have been finding
we mustn't have been finding
you mustn't have been finding
they mustn't have been finding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I find?
must you find?
must she find?
must we find?
must you find?
must they find? 	must I be finding?
must you be finding?
must she be finding?
must we be finding?
must you be finding?
must they be finding? 	must I have found?
must you have found?
must she have found?
must we have found?
must you have found?
must they have found? 	must I have been finding?
must you have been finding?
must she have been finding?
must we have been finding?
must you have been finding?
must they have been finding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I find?
mustn't you find?
mustn't she find?
mustn't we find?
mustn't you find?
mustn't they find? 	mustn't I be finding?
mustn't you be finding?
mustn't she be finding?
mustn't we be finding?
mustn't you be finding?
mustn't they be finding? 	mustn't I have found?
mustn't you have found?
mustn't she have found?
mustn't we have found?
mustn't you have found?
mustn't they have found? 	mustn't I have been finding?
mustn't you have been finding?
mustn't she have been finding?
mustn't we have been finding?
mustn't you have been finding?
mustn't they have been finding?