will stem
Verbo regular: stem - stemmed- stemmed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will stem
you will stem
she will stem
we will stem
you will stem
they will stem 	I will be stemming
you will be stemming
she will be stemming
we will be stemming
you will be stemming
they will be stemming	I will have stemmed
you will have stemmed
she will have stemmed
we will have stemmed
you will have stemmed
they will have stemmed	I will have been stemming
you will have been stemming
she will have been stemming
we will have been stemming
you will have been stemming
they will have been stemming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will not stem
you will not stem
she will not stem
we will not stem
you will not stem
they will not stem 	I will not be stemming
you will not be stemming
she will not be stemming
we will not be stemming
you will not be stemming
they will not be stemming	I will not have stemmed
you will not have stemmed
she will not have stemmed
we will not have stemmed
you will not have stemmed
they will not have stemmed	I will not have been stemming
you will not have been stemming
she will not have been stemming
we will not have been stemming
you will not have been stemming
they will not have been stemming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I not stem?
will you not stem?
will she not stem?
will we not stem?
will you not stem?
will they not stem? 	will I not be stemming?
will you not be stemming?
will she not be stemming?
will we not be stemming?
will you not be stemming?
will they not be stemming? 	will I not have stemmed?
will you not have stemmed?
will she not have stemmed?
will we not have stemmed?
will you not have stemmed?
will they not have stemmed? 	will I not have been stemming?
will you not have been stemming?
will she not have been stemming?
will we not have been stemming?
will you not have been stemming?
will they not have been stemming?