Практическое занятие 8

Упражнения по теме «Perfect»

1 Write the sentences in Present Perfect.

1 He (to graduate) from the University.

2 Our students (to pass) all examination.

3 Your son (to sleep) in his room

4 My grandmother (to prepare) breakfast in the kitchen.

5 Students (to go) home.

6 The secretary (to bring) the mail.

7 My brother (to write) a report.

8 He (to speak) English at the meeting.

9 Our uncle (to catch) fish in the river.

10 Students (to write) the test.

2 Write the sentences in Future Perfect.

1 In an hour they (to meet) their friends at the station.

2 Workers (to lay) cables on the walls.

3 Radio (to transmit) signals by electromagnetic waves.

4 An Electric field (to appear) between two plates.

5 They (to carry) electric waves over a distance.

6 Our friend (to visit) his parents tomorrow.

7 The storm (to stop) in the morning.

8 The train (to come) at 7 o’clock.

9 He (to print) the text by 7 o’clock.

10 We (to build) our future.

3 Write the sentences in Past Perfect.

1 We (to meet) our parents by 7 o’clock.

2 Sound waves (to travel) through the space before the bell rang.

3 He (to discuss) these questions with his friends before the director came.

4 They (to build) many telephone stations before the spring came.

5 After the boy (to print) the text he went home.

6 After the engineers (to test) equipment they decided to have dinner.

7 When this equipment (to send) signals to the space they finished the work.

8 After foreign specialists (to visit) our plant we produced these engines.

9 We (to buy) a new computer by Sunday.

10 I (to bring) flowers to the lecture-room before the exam started.

4 Determine the Tense and translate the sentences into Russian.

1 People will have spent much time in fresh air.

2 The bell has rung.

3 Sound waves have produced oscillations.

4 The workers had tested equipment before the engineer came.

5 I shall have waited for you near the college.

6 Workers have laid cables in the ground.

7 They will have protected cables against corrosion.

8 It has changed sound energy into electric waves.

9 Transmission system will have carried electric waves.

10 Switching system had connected two telephones sets.

5 Write negative sentences in Present Perfect. Translate them into Russian.

1 His sister (never play) tennis.

2 We (learnt) many new words.

3 I (never be) in London.

4 We (meet) my sister at the station.

5 The teacher (tell) about her trip to England.

6 He (work) in an international company.

7 They (earn) a lot of money.

8 Tourists (move) from London to Wells.

9 He (meet) the president three times.

10 My brother (read) many science magazines.

6 Write sentences in Present Perfect - affirmative (+), negative (-) or questions (?).

He (read) ‘Romeo and Juliet’. (?) Has he read ‘Romeo and Juliet’?

1 Workers (worm) cables before laying. (+)

2 Al. Bell (invent) the telephone. (+)

3 The current (pass) through the diaphragm. (-)

4 Sound waves (produce) oscillations. (?)

5 He (use) the telephone for conversation. (-)

6 Radio waves (travel) through space. (?)

7 Electron tubes (amplify) currents. (+)

8 The engineer (create) new machines. (-)

9 Scientists (do) some practical works. (?)

10 People (stop) the war in Iraq. (?)

7 There is a mistake in each sentence. Find it and correct it.

1 My friend have finished the work in the evening.

2 I have make dinner for my husband.

3 A.S. Popov has graduate from the Institute

4 He has demonstrate his device.

5 I has never seen this invention.

6 We have lay cables on the walls.

7 He have included many parts.

8 Engineers had test the equipment by 5 o’clock.

9 We will has done the work at night.

10 My friend will have graduate from the Institute of Communication and Information Science.

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