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/w?z/
What did you do last weekend?
cleaned my room
washed my clothes
stayed at home
watched TV
/t/
/d/
/d/
/t/
1、在浊辅音和元音后读[d]：
cleaned/d/ played/d/
2、在清辅音后读[t]：
washed/t/ watched/t/
3、在 [t] 、[d]音后读[id]：
visited /id/ needed /id/
总结 :
动词词尾加-ed后的读音：
A: What did you do last weekend?
B: I _________________.
watched TV
A: What did you do last weekend?
C: I _________________.
cleaned the room
Look and write
/t/
do/does过去式did
A: What did you do last weekend?
D:I _______________________.
A: What did you do last weekend?