Unit 1
tall—taller更高的
short—shorter 更矮的
strong—stronger 更强壮的
old—older 年龄更大的
young—younger 更年轻的
big—bigger 更大的
heavy—heavier 更重的
long—longer 更长的
thin—thinner 更瘦的
small—smaller （体型）更小的
Unit 2
have a fever 发烧
have a sore throat喉咙疼
have a cold感冒
have a toothache 牙疼
have a headache 头疼
matter事情，麻烦
sore 疼的
hurt疼痛
nose 鼻子
tired疲劳的，累的
excited兴奋的
angry生气的
happy高兴的
bored无聊的，烦人的
sad 忧伤的，悲伤的
Unit 3
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 去郊游
Unit 4
leran 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