英语发音求教我想问一下某些动词过去式要怎么发音,如Said,turned ,looked,passed之类的,像加上ed

1.以元音因素或浊辅音因素结尾的单词后的ed发/d/音,如：turned played
2.以清辅音因素结尾的单词后(/t/和/d/除外)的ed发/t/音,如：looked passed
3.以辅音因素/t/和/d/结尾的单词后的ed发/id音,如：wanted mended