Group C: T or D pronounce ED as ID
Example: Need, needed = need(id)
Ed as ID
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
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.