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The boy played table tennis yesterday.
The girl washed her clothes yesterday.
The girl cleaned the blackboard yesterday.
They chatted with each other yesterday.
规则动词过去式的变化
1.大多数+ed ask---asked
2.以不发音的e结尾的+d like---liked
3.以辅音字母加y结尾的，去y，+ied study---studied
4.以一个辅音字母结尾的重读闭音节，双写尾字母+ed
chat---chatted
Many verbs in the simple past tense end in the letters –ed.
Do you know how many ways of pronouncing this ending there are?
StepII Pronouncing the –ed ending
（动词过去式-ed 的发音）
1 dance —danced
2 help — helped
3 talk — talked
4 shop — shopped
The ways of pronouncing -ed
/s/
/t/
/p/
/t/
/t/
/t/
/k/
/p/
清辅音
Tip 1：-ed pronounces /t/ after the voiceless consonants.
5 play — played