1. Listen and chant.听录音并齐声唱。Hooray, hooray, I washed my shirt!万岁，万岁，我洗衬衫了！ Hooray, hooray, I washed my shirt!万岁，万岁，我洗衬衫了！2. Listen, point and find "-ed".听录音，指一指并找出“-ed”。Yesterday, I cleaned my room.昨天，我打扫了我的房间。I finished my homework.我完成了家庭作业。My trousers were very dirty.我的裤子非常脏。I washed them.我把它们洗了。Then I helped my mum.然后我帮助了我的妈妈。She was very happy.她非常高兴。You are a very good boy, Daming.大明，你是一个非常好的孩子。Thank you, Mum.谢谢你，妈妈。3. Listen and say.听录音，说一说。Yesterday, I cleaned my room.昨天，我打扫了我的房间。I washed my trousers.我洗了我的裤子。Then I helped my mum.然后我帮助了我的妈妈。4.Practise.练习。
washed cleaned finished helped
洗过
打扫
完成
帮助
I washed my trousers yesterday.我昨天洗了裤子。 I cleaned my desk yesterday.我昨天打扫了我的桌子。 I finished my homework yesterday.我昨天完成了作业。 I helped my mom yesterday.我昨天帮助了我妈妈。