2. John didn't read a comic yesterday afternoon.
3. My friends didn't come to my house last weekend
4. You didn't bought a new CD yesterday
5. I didn't swim in the sea last summer.
6. Emma didn't tell me a joke yesterday.
7 The cat didn't eat a fish last night.
8 You and Jim didn't make sandwiches for lunch
9 Dad didn't drive to work yesterday morning.
10 Our grandparents didn't send us an email last week.
            Tặng xu cho mk nha (nếu có thể đánh gía 5* luôn cho mk)