Ex1. Past simple 1. The university offered him a scholarship 2. The students finished the test 15 minutes ago 3. The sent books to poor students on Monday 4. The built that house in 1980 5. The teacher gave each of us two exercise books Ex2. Past continuous 1. Martha was delivering the documemts to the department 2. The company was developing a new procedure before the bankrupt 3. The chief engineer was instructing all the workers of the plant 4. The were carrying the injured player off the field 5. Mrs. White was drawing diagrams on the blackboard Ex3. Presemt perpect & past perpect !. Walt Disney has made a lot of interesting cartoons 2. The fire has caused considerable damage 3. The volunteer students have built hundreds of bridges 4. Someone had invented electric lights before I was born 5. They had upgraded all the roads to the town center before he returned Ex4 1. We'll appreciate your efforts 2. People are going to built a bridge over my house 3. They must observe the rules of the games carefully 4. She had to finish the report 5. People should send their complaints to the main office

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Ex1/

1. He was offered a scholarship by the university.

2. The test was finished by the students 15 minutes ago.

3. Books were sent to poor students on Monday.

4. That house was built in 1980.

5. Two exercise books were given to each of us by the teacher.

Ex2/

1. The documents were being delivered to the department by Martha.

2. A new procedure was being developed by the company before the bankrupt.

3. All the workers of the plant were being instructed by the chief engineer.

4. The injured player was being carried off the field.

5. Diagrams were being drawn on the blackboard by Mrs.White.

Ex3/

1. A lot of interesting cartoons have been made by Walt Disney.

2. Considerable damage has been caused by the fire.

3. Hundreds of bridges have been buillt by the volunteer students.

4. Electric lights had been invented before I was born.

5. All the roads had been upgraded to the town center before he returned.

Ex4/

1. Your efforts will be appreciated.

2. A bridge is going to be built over my house.

3. The rules of the games must be observed carefully.

4. The report had to be finished.

5. Their complaints should be sent to the main office.

Đáp án:

Ex1.

1. He was offered a scholarship by the university.

2. The test was finished by the students 15 minutes ago.

3. Books were sent to poor students on Monday.

4. That house was built in 1980.

5. Two exercise books were given to each of us by the teacher.

Ex2.

1. The documents were being delivered to the department by Martha.

2. A new procedure was being developed by the company before bankruptcy.

3. All the workers of the plant were being instructed by the chief engineer.

4. The injured player was being carried off the field.

5. Diagrams were being drawn on the blackboard by Mrs.White.

Ex3.

1. A lot of interesting cartoons have been made by Walt Disney.

2. Considerable damage has been caused by the fire.

3. Hundreds of bridges have been built by the volunteer students.

4. Electric lights had been invented before I was born.

5. All the roads had been upgraded to the town center before he returned.

Ex4.

1. Your efforts will be appreciated.

2. A bridge is going to be built over my house.

3. The rules of the games must be observed carefully.

4. The report had to be finished.

5. Their complaints should be sent to the main office.