khẳng định:
- I bought a guitar last week.
- Last night , i did my homewwork.
- They left 10 minutes ago.
- I went to sleep.
- She was a dedicated teacher.
phủ định:
- They didn't play football after school.
- I stayed at grandma's house yesterday.
- last year , her was graduation ceremony of her sister

-Câu khẳng định:
+ He played the guitar 3 years ago
+ I went to the zoo last month
+ She watered the flowers yesterday
+ My brother bought some tinned food yesterday
+ He ate an ice cream yesterday
-Câu phủ định:
+ He didn't give me the book yesterday
+ My sister didn't play with her doll 5 months ago
+ My daughter didn't eat the noodles 2 days ago
+ Daisy didn't go to the dentist yesterday
+ My mother didn't go to the shopping 5 days ago because of the corona
-Câu nghi vấn:
+ Did my brother play video games?
+ Did she love this doll?
+ Did my sister buy a carton of milk?
+ Did my grandmother cook a bowl of noodles?
+ Did he decorate the house?
-Câu to be:
+ He was a doctor
+ They were in Da Nang on their summer vacation last month
+ I was at my uncle's house yesterday
+ He wasn't very happy last night
+ We weren't in the park yesterday