一、Reading
Nobody is at home at the Wangs' house. Mr.Wang is working in his office. Mrs.Wang is shopping at the supermarket. Tony is sitting on the bus. He's on his way to the gym. Tina is studying at the library.
Rover is not at home, either. It's running around the neighborhood. It's not chasing
Mrs. Lee's cat. It's chasing Mrs. Lee!
二、解析
■ Nobody is at home at the Wangs' house.
- 主：Nobody
- 系：is
- 表：at home
- 介：at
- 宾：home
- 地状：at the Wangs' house.
- 介：at
- 宾：the Wangs' house.
be at home：固定用法，表：“在家里”。He is at home now.
■ Mr.Wang is working in his office.
- 时态：现在进行时
- 主：Mr.Wang
- 谓：is working
- 地状：in his office.
- 介：in
- 宾：his office.
■ Mrs.Wang is shopping at the supermarket.
- 时态：现在进行时
- 主：Mrs.Wang
- 谓：is shopping
- 地状：at the supermarket.
- 介：at
- 宾：the supermarket.
shop：为不及物动词，之后不得接宾语。shop 需接介词 for 再接宾语。
She is shopping for a new dress. 她正在选购一件新服装。
■ Tony is sitting on the bus.
- 时态：现在进行时
- 主：Tony
- 谓：is sitting
- 地状：on the bus.
- 介：on
- 宾：the bus.
in the taxi/car.：因空间较小，坐进去站不起来,像这样的交通工具要用 in.
on the bus/airplane: 这种工具可以在里面走来走去，所以用 on.
■ He's on his way to the gym.
- 时态：现在进行时
- 主：He
- 系：is
- 表：on his way
- 定：to the gym.
on his way...: 他正往...的路上。
■ Tina is studying at the library.
- 主：Tina
- 谓：is studying
- 地状：at the library.
- 介：at
- 宾：the library.
■ Rover is not at home, either.
- 主：Rover
- 系：is
- 状：not
- 表：at home
- 状：either.
not...either：一定要与 not 连用，形成表“也不”的意思
■ It's running around the neighborhood.
- 时态：现在进行时
- 主：It
- 谓：is running around，run 不及物，后接介词再接宾语。
- 宾：the neighborhood.
around：围绕着...
neighborhood：不用 the 时，要与所有格连用。
■ It's not chasing Mrs. Lee's cat. It's chasing Mrs. Lee!
- 时态：现在进行时
- 主：It
- 谓：is chasing
- 状：not
- 宾：Mrs. Lee's cat.