Module 1Unit 1 Did you come back yesterday?Greetings Hello,boys and girls,how are you?Were you happy in your weekend?Lets sing a song!We walked and walked.We talked and talked.We looked and looked.We laughed and laughed.We danced and danced.We jumped and jumped.We hopped and hoppedand hopped and hopped.And then we stopped!(四四M9U2)一般过去式变化规律一般过去式变化规律规则变化规则变化1.1.一般在动词后加一般在动词后加ed talk-talked2.2.以不发音的字母以不发音的字母e e结尾的,直接加结尾的,直接加d d dance-danced 3.3.末尾只有一个辅音字母的重读闭音节,先双写辅末尾只有一个辅音字母的重读闭音节,先双写辅 音字母,再加音字母,再