must reteach
Irregular verb: reteach - retaught- retaught

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reteach
you must reteach
she must reteach
we must reteach
you must reteach
they must reteach 	I must be reteaching
you must be reteaching
she must be reteaching
we must be reteaching
you must be reteaching
they must be reteaching	I must have retaught
you must have retaught
she must have retaught
we must have retaught
you must have retaught
they must have retaught	I must have been reteaching
you must have been reteaching
she must have been reteaching
we must have been reteaching
you must have been reteaching
they must have been reteaching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not reteach
you must not reteach
she must not reteach
we must not reteach
you must not reteach
they must not reteach 	I must not be reteaching
you must not be reteaching
she must not be reteaching
we must not be reteaching
you must not be reteaching
they must not be reteaching	I must not have retaught
you must not have retaught
she must not have retaught
we must not have retaught
you must not have retaught
they must not have retaught	I must not have been reteaching
you must not have been reteaching
she must not have been reteaching
we must not have been reteaching
you must not have been reteaching
they must not have been reteaching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reteach?
must you reteach?
must she reteach?
must we reteach?
must you reteach?
must they reteach? 	must I be reteaching?
must you be reteaching?
must she be reteaching?
must we be reteaching?
must you be reteaching?
must they be reteaching? 	must I have retaught?
must you have retaught?
must she have retaught?
must we have retaught?
must you have retaught?
must they have retaught? 	must I have been reteaching?
must you have been reteaching?
must she have been reteaching?
must we have been reteaching?
must you have been reteaching?
must they have been reteaching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not reteach?
must you not reteach?
must she not reteach?
must we not reteach?
must you not reteach?
must they not reteach? 	must I not be reteaching?
must you not be reteaching?
must she not be reteaching?
must we not be reteaching?
must you not be reteaching?
must they not be reteaching? 	must I not have retaught?
must you not have retaught?
must she not have retaught?
must we not have retaught?
must you not have retaught?
must they not have retaught? 	must I not have been reteaching?
must you not have been reteaching?
must she not have been reteaching?
must we not have been reteaching?
must you not have been reteaching?
must they not have been reteaching?