Understanding Past Tense '-ed' Pronunciation

The way we pronounce the '-ed' ending in past tense verbs in English changes based on the sound the verb ends with before the '-ed' is added. This question asks us to find which word has a /t/ sound at the very end.

Pronunciation Rules for '-ed'

Here's a simple breakdown of the rules:

• If a verb stem ends with a voiceless consonant sound (like /p/, /k/, /f/, /s/, /ʃ/, /tʃ/), the '-ed' sounds like /t/. Think of it as adding a puff of air, similar to the /t/ sound.
• If a verb stem ends with a voiced consonant sound (like /b/, /ɡ/, /v/, /z/, /ʒ/, /dʒ/) or any vowel sound, the '-ed' sounds like /d/. This is a softer sound made with vocal cord vibration.
• If a verb stem already ends with a /t/ or /d/ sound, we add an extra syllable, and the '-ed' sounds like /ɪd/ (like in 'wanted' or 'needed').

Analyzing the Options

Let's look at each word to see how the '-ed' is pronounced:

• laughed: The base word is 'laugh'. It ends with the /f/ sound, which is a voiceless consonant. Therefore, the '-ed' is pronounced as /t/. The word sounds like /læft/.
• robbed: The base word is 'rob'. It ends with the /b/ sound, which is a voiced consonant. Therefore, the '-ed' is pronounced as /d/. The word sounds like /rɒbd/.
• started: The base word is 'start'. It ends with the /t/ sound. According to the rules, the '-ed' is pronounced as /ɪd/. The word sounds like /stɑːrtɪd/.
• managed: The base word is 'manage'. It ends with the /dʒ/ sound, which is a voiced consonant. Therefore, the '-ed' is pronounced as /d/. The word sounds like /mænɪdʒd/.

Following these rules, the only word from the list that ends with a /t/ sound is 'laughed'.