动词过去式的规则变化• play-• clean-• phone-• listen-• stay-• watch-• finish-• wash-• dance-• paint-• print-• invent-playedcleanedphonedlistenedstayedwatchedfinishedwasheddancedpaintedprintedinvented〔 d〕〔 t 〕〔 id 〕轻对轻浊对浊以” t” 结尾读 /id/Module 4 Unit 1Chinese people invented paper
Listen and answer:What did Chinese people invent
invent 发明invented paper 纸 printing 印刷术important 重要的Chinese people are very clever
Chinese people invented important things
中国人发明了……Chinese people invented……中国人没有发明……Chinese people didn’t invent……printeddidn’t printwalkeddidn’t walkplayeddidn’t playcleaneddidn’t cleanI didn’t finish my homework
I helped my mum
I played basketball
I didn’t clean my room
I didn’t paint a picture
I opened the door
I made a cake
I watched TV
I didn’t roll a boat
paper printing important invent clev