to stem
Verbo regular: stem - stemmed- stemmed

Indicativo 	
Presente 	Presente continuo 	Pretérito 	Pretérito continuo 	
I stem
you stem
he stems
we stem
you stem
they stem 	Iamstemming
youarestemming
heisstemming
wearestemming
youarestemming
theyarestemming	I stemmed
you stemmed
he stemmed
we stemmed
you stemmed
they stemmed	Iwasstemming
youwerestemming
hewasstemming
wewerestemming
youwerestemming
theywerestemming	
Presente perfecto 	Presente perfecto continuo 	Pluscuamperfecto 	Pluscuamperfecto continuo 	
I have stemmed
you have stemmed
he has stemmed
we have stemmed
you have stemmed
they have stemmed	I have been stemming
you have been stemming
hehasbeen stemming
we have been stemming
you have been stemming
they have been stemming	I had stemmed
you had stemmed
he had stemmed
we had stemmed
you had stemmed
they had stemmed	I had been stemming
you had been stemming
he had been stemming
we had been stemming
you had been stemming
they had been stemming	
Futuro simple 	Futuro continuo 	Futuro perfecto 	Futuro perfecto contínuo 	
I will stem
you will stem
he will stem
we will stem
you will stem
they will stem 	I will be stemming
you will be stemming
he will be stemming
we will be stemming
you will be stemming
they will be stemming	I will have stemmed
you will have stemmed
he 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
he will have been stemming
we will have been stemming
you will have been stemming
they will have been stemming	

Condicional 	
Presente 	Presente continuo 	Passado 	Passado continuo 	
I would stem
you would stem
he would stem
we would stem
you would stem
they would stem 	I would be stemming
you would be stemming
he would be stemming
we would be stemming
you would be stemming
they would be stemming	I would have stemmed
you would have stemmed
he would have stemmed
we would have stemmed
you would have stemmed
they would have stemmed	I would have been stemming
you would have been stemming
he would have been stemming
we would have been stemming
you would have been stemming
they would have been stemming	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to stem 	 	stem
Let's stem
stem 	 	

Participio 	
Presente 	Passado 	 	 	
stemming	stemmed