VII. Ture the sentences into negative and interrogative forms 1. They were in Rio last summer. ______________________________ ____________________________ 2.We did our exercise this morning _________________________________ _________________________________ 3.My parents came to visit me last July ___________________________________ _________________________________ 4.The hotel was very expensive ____________________________ ________________________________ 5.I had a bicycle when I was young __________________________________ __________________________________________ 6.The chrildren went to the zoo yesterday ____________________________________ ______________________________________ 7.Ernie ate the last doughnut ______________________________________________ ______________________________ 8.They bought new house last month _________________________________________________ ____________________________________________

1. They were in Rio last summer.

They weren't in Rio last summer.

Were they in Rio last summer?

2. We did our exercise this morning.

We didn't do our exercise this morning.

Did we do our exercise this morning?

3. My parents came to visit me last July.

My parents didn't come to visit me last July.

Did my parents come to visit me last July?

4. The hotel was very expensive.

The hotel wasn't very expensive.

Was the hotel very expensive? 

5. I had a bicycle when I was young.

I didn't have a bicycle when I was young.

Did I have a bicycle when I was young?

6. The children went to the zoo yesterday.

The children didn't go to the zoo yesterday.

Did the children go to the zoo yesterday?

7. Ernie ate the last doughnut.

Ernie didn't eat the last doughnut.

Did Ernie eat the last doughnut?

8. They bought new house last month.

They didn't buy new house last month.

Did they buy new house last month?

Thì quá khứ đơn

 - S + V-ed 

   S + didn't + V

   Did + S + V?

- S + was/were 

   S + wasn't / weren't

  Was/ Were + S + V?