Here is the list of sounds that the vowel E and combinations with E can produce in stressed syllables.
The long i can be produced by ee, ea, ei, ey, as well as a single e.
equal, even, frequent, legal, metre, previous, recent, senior, vehicle, be, me, compete, extreme
beat, clean, easy, leader, please, seal, team, weak
agree, feed, keep, seed, three, week
ceiling, deceive, receipt, key
You will often get this short sound when e or ea is stressed.
bell, correct, desk, get, hotel, pen, suggest, went, yes
dreadful, head, heavy, leather, pleasant, ready, sweat, weather
This long sound often comes with er and ear.
certain, German, her, perfect, service, term, were
early, earn, earth, heard, learn, search
The patterns ear, eer, as well as ere are likely to produce this long sound.
appear, beard, clear, ear, gear
beer, career, engineer, peer, volunteer
sphere, here, severe, we're
It also occurs in ear and ere but is less frequent than /ɪə/.
bear, pear, swear, wear
/ei/ is a common pronunciation for eigh pattern. Sometimes this sound can occur in ey and ea.
eight, neighbour, weight
grey, survey, they
break, great, steak
The combination of ew results in this long sound, as a rule.
dew, few, nephew, stew, view