一.将下列句子改成过去式

It is a caterpillar.

  2.He is short.
  3.She is a fat girl.
 4.Peter is in the classroom.
 5.I am thin and tall.
 6.You are my teacher.
7.You are tired and hungry.
8.They are doctors.
9.Kitty and Ben are good friends.
10.The dogs are in the hole.
11.We are butterflies.
二.将下列句子改成否定句

It was my classroom

  2.He was my deskmate.
  3.She was a thin girl.
  4.Mary was in the office.
  5.The cat was Alice's pet.
  6.I was in Grade Five.
 7.You were in the library.
8.They were thirsty and hungry.
9.Jill and Paul were singers.
10.These books were ours.
11.Those were eggs.
三.将下列句子改成一般疑问句

I was a student..

2.I was in the hall.
3.I was Paul's classmate.
4.I was twelve years old.
5.I was a thin girl.
6.It was my classroom.
7.He was my desknate.
8.She was a thin girl.
9.Mary was in the office.
10.The cat was Alice's pet.
11.I was in Grade Five.