一、词汇
was born（过去式）出生 started to speak（过去式）开始说话
learned to walk（过去式）学走路 learned to ride a bike（过去式）学骑自行车 went to kindergarten（过去式）上幼儿园
went to school（过去式）上学 learned to swim（过去式）学游泳
fifteenth (15th) 第十五 started to buy things（过去式）开始学买东西 started to study English（过去式）开始学习英语
started to use a computer（过去式）开始使用电脑
all over 到处；各处 out of 离开（某处） into 进入；到......里
chopsticks 筷子 wet 湿的，潮湿的
二、句子
1. I was born on May 15th, 2004. 我出生在2004年5月15日。
2. I started to speak when I was ten months old. 当我十个月大的时候我开始说话。
3. -- When did you start to use a computer? 你什么时候开始使用电脑的？
-- When I was four. 当我四岁的时候。
4. What about you? 你呢？
5. -- When did you start to buy things? 你什么时候开始买东西的？
-- When I was five. 当我五岁的时候。
6. -- When did you go to kindergarten? 你什么时候上幼儿园的？
三、句型结构
1. -- When did you + 动词原形（+其他）?
-- When I was + 年龄.
eg: -- When did you go to England? 你什么时候去英国的？
-- When I was eighteen years old. 当我十八岁的时候。