must reap
Regular verb: reap - reaped- reaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reap
you must reap
he must reap
we must reap
you must reap
they must reap 	I must be reaping
you must be reaping
he must be reaping
we must be reaping
you must be reaping
they must be reaping	I must have reaped
you must have reaped
he must have reaped
we must have reaped
you must have reaped
they must have reaped	I must have been reaping
you must have been reaping
he must have been reaping
we must have been reaping
you must have been reaping
they must have been reaping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not reap
you must not reap
he must not reap
we must not reap
you must not reap
they must not reap 	I must not be reaping
you must not be reaping
he must not be reaping
we must not be reaping
you must not be reaping
they must not be reaping	I must not have reaped
you must not have reaped
he must not have reaped
we must not have reaped
you must not have reaped
they must not have reaped	I must not have been reaping
you must not have been reaping
he must not have been reaping
we must not have been reaping
you must not have been reaping
they must not have been reaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reap?
must you reap?
must he reap?
must we reap?
must you reap?
must they reap? 	must I be reaping?
must you be reaping?
must he be reaping?
must we be reaping?
must you be reaping?
must they be reaping? 	must I have reaped?
must you have reaped?
must he have reaped?
must we have reaped?
must you have reaped?
must they have reaped? 	must I have been reaping?
must you have been reaping?
must he have been reaping?
must we have been reaping?
must you have been reaping?
must they have been reaping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not reap?
must you not reap?
must he not reap?
must we not reap?
must you not reap?
must they not reap? 	must I not be reaping?
must you not be reaping?
must he not be reaping?
must we not be reaping?
must you not be reaping?
must they not be reaping? 	must I not have reaped?
must you not have reaped?
must he not have reaped?
must we not have reaped?
must you not have reaped?
must they not have reaped? 	must I not have been reaping?
must you not have been reaping?
must he not have been reaping?
must we not have been reaping?
must you not have been reaping?
must they not have been reaping?