English verb conjugation
TO STEM

Regular verb: stem - stemmed - stemmed

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I stem? don't you stem? doesn't he stem? don't we stem? don't you stem? don't they stem?	am I not stemming? aren't you stemming? isn't he stemming? aren't we stemming? aren't you stemming? aren't they stemming?	didn't I stem? didn't you stem? didn't he stem? didn't we stem? didn't you stem? didn't they stem?	wasn't I stemming? weren't you stemming? wasn't he stemming? weren't we stemming? weren't you stemming? weren't they stemming?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I stemmed? haven't you stemmed? hasn't he stemmed? haven't we stemmed? haven't you stemmed? haven't they stemmed?	haven't I been stemming? haven't you been stemming? hasn't he been stemming? haven't we been stemming? haven't you been stemming? haven't they been stemming?	hadn't I stemmed? hadn't you stemmed? hadn't he stemmed? hadn't we stemmed? hadn't you stemmed? hadn't they stemmed?	hadn't I been stemming? hadn't you been stemming? hadn't he been stemming? hadn't we been stemming? hadn't you been stemming? hadn't they been stemming?
Future	Future continuous	Future perfect	Future perfect continuous
won't I stem? won't you stem? won't he 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 he 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 he 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 he have been stemming? won't we have been stemming? won't you have been stemming? won't they have been stemming?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I stem? wouldn't you stem? wouldn't he stem? wouldn't we stem? wouldn't you stem? wouldn't they stem?	wouldn't I be stemming? wouldn't you be stemming? wouldn't he be stemming? wouldn't we be stemming? wouldn't you be stemming? wouldn't they be stemming?	wouldn't I have stemmed? wouldn't you have stemmed? wouldn't he have stemmed? wouldn't we have stemmed? wouldn't you have stemmed? wouldn't they have stemmed?	wouldn't I have been stemming? wouldn't you have been stemming? wouldn't he have been stemming? wouldn't we have been stemming? wouldn't you have been stemming? wouldn't they have been stemming?

Infinitive

Imperative

Infinitive		Imperative
to stem		- - -

Participle

Present	Past
stemming	stemmed