đề bảo chia thì QKĐ nha
→ S + v-ed / v2
→ S + didn't + V nguyên mẫu
→ did + S + V nguyên mẫu
1 went
→ dấu hiệu nhận bt : yesterday
2 drove
→ v2 là của drive là drove
3 arrived - was
4 did
→ dấu hiệu nhận bt : last night
5 walked
6 saw
7 stopped - bought