watch—watched 看 wash—washed 洗 clean—cleaned打扫

play—played玩 visit—visited 看望 do—did

last weekend 上一个周末 go—went去

go to a park—went to a park 去公园

go swimming—went swimming去游泳

go fishing—went fishing去钓鱼 read—read 读

go hiking—went hiking 去远足

Unit 4

learn Chinese—learned Chinese学汉语

sing and dance—sang and danced 唱歌和跳舞

eat good food—ate good food吃好吃的食物

take pictures—took pictures 照相 climb—climbed 爬 have—had buy presents—bought presents买礼物 row a boat—rowed a boat 划船 see elephant—saw elephant 看大象 go skiing—went skiing 去滑雪 go ice-skating—went ice-skating 去滑冰 how怎么，如何 get—got 到达 last 上一个的，仅余的，留在最后的