This document discusses how to add the past tense ending "ed" to regular verbs in English. It explains that if a verb ends in a "d" or "t", the "ed" is pronounced as "id"; if it ends in "r", "n", "i" or "l", the "ed" is pronounced as "d"; and for all other endings, the "ed" is pronounced as "t". Examples are provided to illustrate each rule.

1. Endings "ed" Past Tense of regular verbs
If the pronunciation of verbs the "ed" is pronounced
end with "d" or "t" as "id"
to visit (vísit) visited (vísitid)
to start (stáart) started (stáartid)
to want (wónt) wanted (wóntid)
to add (ád) added (ádid)
to hate (jéit) hated (jéitid)
to rent (rént) rented (réntid)
to arrest (arrést) arrested (arréstid)
to wait (wéit) waited (wéitid)
to rest (rést) rested (réstid)
to accept (aksépt) accepted (akséptid)
to eliminate (elíminéit) eliminated (elíminéitid)
to decide (disáid) decided (disáidid)
to repeat (ripít) repeated (ripítid)
If the pronunciation of verbs the "ed" is pronounced as "d"
ends in "r", "n", "i" or "l"

2. to discover (discóver) discovered (discóverd)
to conquer (cónker) conquered (cónkerd)
to notify (nóutifái) notified (nóutifáid)
to specify (spécifái) specified (spécifáid)
to explore (eksplóor) explored (eksplóord)
to destroy (distrói) destroyed (distróid)
to sweeten (suíten) sweetened (suítend)
to blacken (bláken) blackened (blákend)
to prefer (priféer) prefered (priféerd)
to combine (combáin) combined (combáind)
to study (stáadi) studied (stáadid)
to stay (stéi) stayed (stéid)
to answer (ánser) answered (ánserd)
to clean (clíin) cleaned (clíind)
to call (cóol) called (cóold)
to listen (lísn) listened (lísnd)
With the rest of the endings: the "ed" is pronounced as "t"
to talk (tók) talked (tókt)

3. to walk (uók) walked (uókt)
to work (wéerk) worked (wéerkt)
to love (lóv) loved (lóvt)
to receive (ricíiv) received (ricíivt)
to help (jélp) helped (jélpt)
to cook (kúk) cooked (kúkt)
to live (lív) lived (lívt)
to dance (dáns) danced (dánst)
to smoke (smóuk) smoked (smóukt)
to arrive (arráiv) arrived (arráivt)
to wash (wósh) washed (wósht)
to fix (fíks) fixed (fíkst)
to park (páark) parked (páarkt)
to miss (mis) missed (míst)
to exercise (éksersáis) exercised (éksersáist)