to stem
Regular verb: stem - stemmed- stemmed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
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	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
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	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
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	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
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	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to stem 	 	stem
Let's stem
stem 	 	

Participle 	
Present 	Past 	 	 	
stemming	stemmed