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1.The homework was very difficult yesterday
2. The children were in the park five minutes ago
3. Nha Trang is a beautiful place
4.I was late for school yesterday
5. Where was she yesterday ? - She was at home
6. We are tired today. We were at the party last night
7. She is unhappy because she doesn't have any friends in the city
8 Was you at home yesterday morning ?
1. was
2. were
3. is
4. was
5. was - was
6. are - were
7. is
8. were
1. The homework was very difficult yesterday.
2. The children were in the park five minutes ago.
3. Nha Trang is a beautiful place.
4. I was late for school yesterday.
5. Where was she yesterday? -She was at home.
6. We are tired today. We were at the party last night.
7. She is unhappy because she doesn't have any friends in the city.
8. Were you at home yesterday morning ?
Chúc bạn học tốt 
1. The homework .....was..... very difficult yesterday.
2. The children .....were...... in the park five minutes ago.
3. Nha Trang .....is.... a beautiful place.
4. I ...was..... late for school yesterday.
5. Where ..was...... she yesterday? -She ....was.... at home.
6. We ......are.... tired today. We ...were....... at the party last night.
7. She .....is..... unhappy because she doesn't have any friends in the city.
8. ......Was........ you at home yesterday morning ?
III/ Fill "tobe": am, is, are, was, were in each sentense.
1. The homework....was...... very difficult yesterday.
2. The children.were.... ..in the park five minutes ago.
3 Nha Trang ...is........ a beautiful place.
4.I ....was...... late for school yesterday.
5. Where.was ..she yesterday ?- She...was......... at home.
6. We.....are.......tired today. We...were.........at the party last night.
7. She. .....is...unhappy because she doesn't have any friends in the city.
8.. .Were you at home yesterday morning ?
9.I....am...a student now.
10.This ..is... the first time they went to Nha Trang.
1 was
2 were
3 is
4 was
5 was ..........................was
6 are............................were
7 is
8 were
II. Chia động từ to be thời quá khứ đơn hoặc hiện tại đơn trong các câu sau đây:
1. The homework was very difficult yesterday
2. The children were in the park 5 minutes ago.
3. Nha Trang is a beautiful place.
4. I was late for scholl yesterday.
5. Where was she yesterday? She was at home
6. We are tired today. We were at the party last night.
7. She is unhappy because she doesn’t have any friends in the city
8. Was you at home yesterday morning?
1. She/ buy a lot of souvenirs/ last summer vacation.
..................Nga bought a lot of souvenirs last summer vacation........................................................................
2. My mother/ give me a yellow cap.
................My mother gives me a yellow cap...........................................................................
3. They/ arrive at the airport/ at eight o'clock this morning.
..................They arrived at the airport at eight o'clock this morning......................................................................
4. I/ speak to her about my vacation.
............I spoke to her about my vacation .........................................................................
5. Mr. Quang/ teach mathematics for many years.
...........Mr Quang has taught mathematics for many years.........................................................................
6. I/ see you at the party/ last night.
....................I saw you at the party last night................................................................
7. The children/ be very happy in their trip to Nha Trang.
............The children will be very happy in thier trip to Nha Trang.....................................................................
8. Minh/ put the cake on the table.
..........Minh puts the cake on the table.......................................................................
9. They/ live here/ two years ago.
.................They lived here two year ago...............................................................
10. Nga/ be late for school/ yesterday morning.
..............Nga was late for school yesterday morning................................................................
I. Viết câu với các từ gợi ý, dùng thì quá khứ đơn (past simple tense)
Ex: I/ visit my grandparents/ yesterday
I visited my grandparents yesterday.
1. She/ buy a lot of souvenirs/ last summer vacation.
Nga bought a lot of souvernirs
2. My mother/ give me a yellow cap.
My mother gives me a yellow cap.
3. They/ arrive at the airport/ at eight o'clock this morning.
They arived at the airport at eight o ' clock this morning.
4. I/ speak to her about my vacation.
I spoke to her about my vacation.
5. Mr. Quang/ teach mathematics for many years.
Mr. Quang has taught mathematics for many.
6. I/ see you at the party/ last night.
I saw you at the party last night.
7. The children/ be very happy in their trip to Nha Trang.
The children will be very happy in their trip to Nha Trang.
8. Minh/ put the cake on the table.
Minh puts the cake on the table.
9. They/ live here/ two years ago.
They lived here two years ago.
10. Nga/ be late for school/ yesterday morning.
Nga was late for school yesterday morning.
Ex11: Chia các động từ trong ngoặc ở thì hiện tại đơn hoặc quá khứ đơn :
Mr.Tam (be) ....is....... a teacher. Two years ago, he (teach) .....taught......... math in a small school in the country. But now he (teach) ....teaches............. at a high school in the city.
Every day, Mr Tam (get) ......gets......... up at half past five. After his morning exercises, he (take) ...takes................ bath and (have) ..........has......... breakfast with his wife. Then he (leave) ........leaves......... home for school at a quarter to seven.
Yesterday (be) ..........was.......... Sunday. Mr.Tam (not go) .......didn't go................ to school. He and his wife (visit) .....visited............... his parents in the countryside. He (buy) .......bought.......... them lots of presents. Mr.Tam and his wife (spend) ........spent............ their day off. They (return) .....returned................. home at 9:30 in the evening.
Mr.Tam (be) ....is....... a teacher. Two years ago, he (teach) ......taught....... math in a small school in the country. But now he (teach) ......teaches........... at a high school in the city.
Every day, Mr Tam (get) ......gets......... up at half past five. After his morning exercises, he (take) ........takes........... bath and (have) .......has............ breakfast with his wife. Then he (leave) ........leaves......... home for school at a quarter to seven.
Yesterday (be) ........was............ Sunday. Mr.Tam (not go) ............didn't go........... to school. He and his wife (visit) ........visited............ his parents in the countryside. He (buy) .........bought........ them lots of presents. Mr.Tam and his wife (spend) .........spent........... their day off them lots of presents. They (return) .........returned............. home at 9:30 in the evening.
Chia các đọng từ trong ngoặc ở thì hiện tại đơn hoặc quá khứ đơn
Mr. Tam(be)...is....a teacher. Two years ago, he (teach) ..taught.....math at a secondary school in the country. But now he( teach) .....teaches......at a high school in the city
Every day, Mr. Tam(get)...gets....up at half past five. After his morning exercises, he(take)....takes....bath and (have).....has......breakfast with his wife. Then he(leave).....leaves.......home for school at s quarter to seven
Yesterday(be)...was... Sunday. Mr. Tam( not go)..doesn't go.....to school. He and his wife( visit)....visited....his parents in the countryside. He (buy)....bought.....Them lots of presents. Mr. Tam and his wife( spend) ....spent....their day off with their parents. They( ruturn) ....returned.....home at 9:30 in the evening
Chia các đọng từ trong ngoặc ở thì hiện tại đơn hoặc quá khứ đơn
Mr. Tam(be)...is....a teacher. Two years ago, he (teach) ....taught...math at a secondary school in the country. But now he( teach) .....teaches......at a high school in the city
Every day, Mr. Tam(get)....gets...up at half past five. After his morning exercises, he(take)....takes....bath and (have).....has......breakfast with his wife. Then he(leave).......leaves.....home for school at s quarter to seven
Yesterday(be)...was... Sunday. Mr. Tam( not go)...didn't go....to school. He and his wife( visit)...visited.....his parents in the countryside. He (buy)....bought.....them lots of presents. Mr. Tam and his wife( spend)
...spent...their day off with their parents. They( ruturn) ....returned.....home at 9:30 in the evening.
Xin lỗi bạn nka 
Mik làm sai 1 chỗ
Chia động từ trong ngoặc cho đúng thì hiện tại đơn và thì quá khứ đơn:
1. We were (be) at the seaside for ten days last summer.
2. They bought (buy) a lot of souvenirs for their parents yesterday.
3. She does (do) aerobics every morning.
4. He often plays (play) sport after school.
Chia động từ trong ngoặc cho đúng thì hiện tại đơn và thì quá khứ đơn:
1. We were at the seaside for ten days last summer.
2. They bought a lot of souvenirs for their parents yesterday.
3. She does aerobics every morning.
4. He often plays sport after school.
1. The homework was very difficult yesterday.
2. The children were in the park five minutes ago.
3. Nha Trang is a beautiful place.
4. I was late for school yesterday.
5. Where was she yesterday? -She was at home.
6. We are tired today. We were at the party last night.
7. She is unhappy because she doesn't have any friends in the city.
8. Were you at home yesterday morning ?