SPELLING "V2"
!!! Irregular verbs learn by heart here! write - wrote
1. If the verb ends in -e (silent) we leave out e
like - liked
2.
If the last letters are CVC
consonant - stressed vowel - consonant
we double the last consonant
stop - stopped
regret - regretted
2!
If the last letters are CVC
consonant - unstressed vowel - consonant
we don't double the last consonant
listen - listened
happen - happened
2!
If the last letters are CVC
consonant - stressed vowel - w / y / z
we don't double the last consonant
snow - snowed
play - played
relax - relaxed
2! If the last letters are CVC
consonant - vowel - l
we double the last consonant (BrE)
travel - travelled (BrE)
3.
If the verb ends in consonant + y
we change y to ie tidy - tidied
4. If the verb ends in vowel + y we don't change y
play - played
5.  In other cases we just add ed work - worked
 
*NOTE! In American English (AmE) the letter "l" is not doubled: travel - traveled.
 
 PRONUNCIATION “ed”
[ɪd]
[t]
[d]
after
[t], [d]
after voiceless consonants 
[k], [s], [p], [f], [ʃ], [tʃ]
after other sounds
(voiced consonants and vowels)
wanted ['wɔntɪd]
decided [dɪ'saɪdɪd]
worked [wɜːkt]
dressed [drest]
skipped [skɪpt]
washed [wɔʃt]
watched [wɔʧt]
laughed [lɑːft]
smiled [smaɪld]
cleaned [kliːnd]
offered ['ɔfəd]
showed [ʃəʊd]
  
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V — Verb (the infinitive of the verb without "to"/ Present Simple verb (for I, we, you, they). E.g. write, go, listen, etc.
V2 — Verb in the 2nd form (Past Simple) E.g. wrote, went, listened, etc.
S — Subject of the sentence
QW — Question word
Vowels: a, e, i, o, u
Consonants: b, c, d, … z (all the other letters)