must bestride
Irregular verb: bestride - bestrode, bestrid- bestrode, bestrid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must bestride
you must bestride
she must bestride
we must bestride
you must bestride
they must bestride 	I must be bestriding
you must be bestriding
she must be bestriding
we must be bestriding
you must be bestriding
they must be bestriding	I must have bestrode, bestrid
you must have bestrode, bestrid
she must have bestrode, bestrid
we must have bestrode, bestrid
you must have bestrode, bestrid
they must have bestrode, bestrid	I must have been bestriding
you must have been bestriding
she must have been bestriding
we must have been bestriding
you must have been bestriding
they must have been bestriding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't bestride
you mustn't bestride
she mustn't bestride
we mustn't bestride
you mustn't bestride
they mustn't bestride 	I mustn't be bestriding
you mustn't be bestriding
she mustn't be bestriding
we mustn't be bestriding
you mustn't be bestriding
they mustn't be bestriding	I mustn't have bestrode, bestrid
you mustn't have bestrode, bestrid
she mustn't have bestrode, bestrid
we mustn't have bestrode, bestrid
you mustn't have bestrode, bestrid
they mustn't have bestrode, bestrid	I mustn't have been bestriding
you mustn't have been bestriding
she mustn't have been bestriding
we mustn't have been bestriding
you mustn't have been bestriding
they mustn't have been bestriding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I bestride?
must you bestride?
must she bestride?
must we bestride?
must you bestride?
must they bestride? 	must I be bestriding?
must you be bestriding?
must she be bestriding?
must we be bestriding?
must you be bestriding?
must they be bestriding? 	must I have bestrode, bestrid?
must you have bestrode, bestrid?
must she have bestrode, bestrid?
must we have bestrode, bestrid?
must you have bestrode, bestrid?
must they have bestrode, bestrid? 	must I have been bestriding?
must you have been bestriding?
must she have been bestriding?
must we have been bestriding?
must you have been bestriding?
must they have been bestriding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I bestride?
mustn't you bestride?
mustn't she bestride?
mustn't we bestride?
mustn't you bestride?
mustn't they bestride? 	mustn't I be bestriding?
mustn't you be bestriding?
mustn't she be bestriding?
mustn't we be bestriding?
mustn't you be bestriding?
mustn't they be bestriding? 	mustn't I have bestrode, bestrid?
mustn't you have bestrode, bestrid?
mustn't she have bestrode, bestrid?
mustn't we have bestrode, bestrid?
mustn't you have bestrode, bestrid?
mustn't they have bestrode, bestrid? 	mustn't I have been bestriding?
mustn't you have been bestriding?
mustn't she have been bestriding?
mustn't we have been bestriding?
mustn't you have been bestriding?
mustn't they have been bestriding?