must crap
Regular verb: crap - craped- craped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must crap
you must crap
she must crap
we must crap
you must crap
they must crap 	I must be craping
you must be craping
she must be craping
we must be craping
you must be craping
they must be craping	I must have craped
you must have craped
she must have craped
we must have craped
you must have craped
they must have craped	I must have been craping
you must have been craping
she must have been craping
we must have been craping
you must have been craping
they must have been craping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not crap
you must not crap
she must not crap
we must not crap
you must not crap
they must not crap 	I must not be craping
you must not be craping
she must not be craping
we must not be craping
you must not be craping
they must not be craping	I must not have craped
you must not have craped
she must not have craped
we must not have craped
you must not have craped
they must not have craped	I must not have been craping
you must not have been craping
she must not have been craping
we must not have been craping
you must not have been craping
they must not have been craping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I crap?
must you crap?
must she crap?
must we crap?
must you crap?
must they crap? 	must I be craping?
must you be craping?
must she be craping?
must we be craping?
must you be craping?
must they be craping? 	must I have craped?
must you have craped?
must she have craped?
must we have craped?
must you have craped?
must they have craped? 	must I have been craping?
must you have been craping?
must she have been craping?
must we have been craping?
must you have been craping?
must they have been craping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not crap?
must you not crap?
must she not crap?
must we not crap?
must you not crap?
must they not crap? 	must I not be craping?
must you not be craping?
must she not be craping?
must we not be craping?
must you not be craping?
must they not be craping? 	must I not have craped?
must you not have craped?
must she not have craped?
must we not have craped?
must you not have craped?
must they not have craped? 	must I not have been craping?
must you not have been craping?
must she not have been craping?
must we not have been craping?
must you not have been craping?
must they not have been craping?