will stem
Regular verb: stem - stemmed- stemmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll stem
you'll stem
she'll stem
we'll stem
you'll stem
they'll stem 	I'll be stemming
you'll be stemming
she'll be stemming
we'll be stemming
you'll be stemming
they'll be stemming	I'll have stemmed
you'll have stemmed
she'll have stemmed
we'll have stemmed
you'll have stemmed
they'll have stemmed	I'll have been stemming
you'll have been stemming
she'll have been stemming
we'll have been stemming
you'll have been stemming
they'll have been stemming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't stem
you won't stem
she won't stem
we won't stem
you won't stem
they won't stem 	I won't be stemming
you won't be stemming
she won't be stemming
we won't be stemming
you won't be stemming
they won't be stemming	I won't have stemmed
you won't have stemmed
she won't have stemmed
we won't have stemmed
you won't have stemmed
they won't have stemmed	I won't have been stemming
you won't have been stemming
she won't have been stemming
we won't have been stemming
you won't have been stemming
they won't have been stemming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I stem?
will you stem?
will she stem?
will we stem?
will you stem?
will they stem? 	will I be stemming?
will you be stemming?
will she be stemming?
will we be stemming?
will you be stemming?
will they be stemming? 	will I have stemmed?
will you have stemmed?
will she have stemmed?
will we have stemmed?
will you have stemmed?
will they have stemmed? 	will I have been stemming?
will you have been stemming?
will she have been stemming?
will we have been stemming?
will you have been stemming?
will they have been stemming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I stem?
won't you stem?
won't she stem?
won't we stem?
won't you stem?
won't they stem? 	won't I be stemming?
won't you be stemming?
won't she be stemming?
won't we be stemming?
won't you be stemming?
won't they be stemming? 	won't I have stemmed?
won't you have stemmed?
won't she have stemmed?
won't we have stemmed?
won't you have stemmed?
won't they have stemmed? 	won't I have been stemming?
won't you have been stemming?
won't she have been stemming?
won't we have been stemming?
won't you have been stemming?
won't they have been stemming?