1. Pronunciamos "ED" como /t/ + /ch/ si el verfo infinitivo ternima en un Sonido sordo:

P, K, Ch, Sh, S, F, X, Th

Stop -> Stopped Kiss -> Kissed Work -> Worked Sniff -> Sniffed Watch -> Watched Mix -> Mixed
Wash -> Washed Unearth -> Unearthed

2. Pronunciamos "ED" como /d/ + /t/ si el verbo infinitivo en un sonido sonoro:

Vocales, B, G, Z, V, M, N, L, R, J, Th.

Die -> died love -> loved grab -> grabbed climb -> climbed hug -> hugged arrange -> arranged buzz -> buzzed smooth -> smothed scream -> creamed

3. Pronuncianos "ED" como /Id/ si el verbo infinitivo termina en los sonidos:

T, D

Start -> Started add -> added Hate -> Hated decide -> decided paint -> painted need -> needed