Voiced sound : l v n m r b v g w y z and vowel sounds (diphthongs) pronounce ED as D
Example: Allow, allowed = allow(D)
Ed as D
advised (advaiz) + d
If you have any doubt, you can look at the dictionary for the phonetic transcription.
Example: advised (advaiz)
NOTE: Look carefully for verbs, not for nouns or adjectives because in some cases they have some phonetic differences.
Group A - Voiceless sound Last sound of the verb in infinitive
Group B - Voiced sound Last sound of the verb in infinitive
Group C - T or D Last sound of the verb in infinitive
The past simple is often confused with the present perfect. This present perfect vs past simple quiz will help you test your understanding of when to use the present perfect or past simple.
This video focusing on past tense will help you practice both irregular and regular verbs in the past tense. Ellen Quish also provides learning notes and a transcript of the dialogue in the video.