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Qkđ: Động từ thường

(+) S+ Ved/cột 2

(-) S+ didn't+ V

(?) Did+ S+ V?

Qkđ: Động từ tobe

(+) S+ was/were+ N/adj

(-) S+ was/weren't+ N/adj

(?) was/were+S+  N/adj?

1. They didn't decided to leave soon

Did they decide to leave soon?

2. There were many homeless people here ten years ago

Were there any homeless people here ten years ago?

3. Tom's grandfather used to be a soldier

Tom's grandfather didn't use to be a soldier

4. My teacher didn't start teaching here 6 years ago

Did my teacher start teaching here 6 years ago?

5. Jane didn't often go to school on foot 3 years ago

Did Jane often go to school on foot 3 years ago?

6. The cat wanted to eat yesterday 

Did The cat want to eat yesterday ?

7. The train arrived late yesterday 

The train didn't arrive late yesterday

8. There was something left in the fridge

Was there anything left in the fridge?