Exercise 3. 1. The performance (begin)...................at 7 o'clock and (last).................for three hours.We all (enjoy)............... it. 2. " You (be)........................here before?"" Yes. I (spend) .....................................my holidays here last year" 3. He (leave).................................for London 2 years ago and I (not see) ................................him since. 4. You (be).......................................... to the laboratory this week? 5. " You (find)......................the key which you (lose) .......................yesterday.?" " Yes, I (find)........................... it in the pocket of my other coat" 6. I (see).............................him in the library today. We (be) .........................there together. 7. We never (meet) ....................................him.  We don't know what he looks like 8. I suppose cho là when I (come).............................back in two years' time, they (pull)...........................down all these old buildings. 9. We (finish)..................................all  our housework by tomorrow evening. 10. " Your face (be)......................dirty, Tom"  " All right, I (awash).....................it. Excercise 4. 1. " You have just missed the last train" " Never mind, I ( walk)........................... 2. When we (take).......................................our exams, we ( have) ..............................a holiday 3. " You (know)..........................the way to the Globe Theatre?" "No," " Then I (show).................................you" 4. Thousands of people (see).................................this exhibition by the end of the month. 5. By the time you (finish).........................................cooking they (do)..................................their homework 6. I don't think he (change)......................................in the thirty years I ( know)...................................him 7. Then about a year ago he (disappear).............................. and I (never hear)...........................from him since 8. My father (fight) .............................for four years in the last war 9. I'm taking my daughter out tonight. she (not have)...............................fun for a long time. 10. You've just in time to hear a nice bit of news. Our neighbour is engaged to get married. He (bring)................................me the news himself this morning. Exercise5: 1. Coming into the room he (see) .............................Mary where he (leave)...............................her 2. What you (do)............................if you (be)........................................................in my situation? 3. He greeted her. She  really (look)......................better than when he (see)...........................her last. Yes, she (change)..................................... 4. After the guests (leave)..................................she (go)........................back  into the living room and (switch) ...........................................off the light. 5. I sat down at the desk and (wonder)........................why my father's letter (not arrive).....................................yet. I (write).............................to ask him to send some money at once. 6. He never fails (arrive)....................................time to help me. 7. On arrival at home I (find) ....................................that she just ( leave)..........................a few minutes before. 8. Come to see me at 5 this afternoon, I (not arrive ) .....................................home until 4.30 9. Behave your self. Lucy. If you (do)................................that again, you (have)........................to go to bed. 10. When Alice ( get)................................here. You (show)..............................her to her room ?

Exercise 3.

1. The performance (begin)............began.......at 7 o'clock and (last)......lasted...........for three hours.We all (enjoy).......enjoyed........ it.

2. " You (be)............Have -been............here before?"" Yes. I (spend) ..............spent.......................my holidays here last year"

3. He (leave)............left.....................for London 2 years ago and I (not see) ...............haven't seen.................him since.

4. You (be)..................Have you been........................ to the laboratory this week?

5. " You (find)........Have-found..............the key which you (lose) ............lost...........yesterday.?" " Yes, I (find).....found...................... it in the pocket of my other coat"

6. I (see)................saw.............him in the library today. We (be) ..........were...............there together.

7. We never (meet) .............have - met.......................him.  We don't know what he looks like

8. I suppose cho là when I (come)..............come...............back in two years' time, they (pull).............will pull..............down all these old buildings.

9. We (finish)..................will have finished................all  our housework by tomorrow evening.

10. " Your face (be)............is..........dirty, Tom"  " All right, I (awash)......will wash...............it.

Excercise 4.

1. " You have just missed the last train" " Never mind, I ( walk).......will walk....................

2. When we (take)...................have taken....................our exams, we ( have) ..............will have................a holiday

3. " You (know)......Do you know....................the way to the Globe Theatre?" "No," " Then I (show).......................will show..........you"

4. Thousands of people (see).................will have seen................this exhibition by the end of the month.

5. By the time you (finish)......................finish...................cooking they (do)................will have done..................their homework

6. I don't think he (change)...................will change...................in the thirty years I ( know).........don't know..........................him

7. Then about a year ago he (disappear)...............disappeared............... and I (never hear).............hve never heard..............from him since

8. My father (fight) ......flew.......................for four years in the last war

9. I'm taking my daughter out tonight. she (not have).........hasn't had......................fun for a long time.

10. You've just in time to hear a nice bit of news. Our neighbour is engaged to get married. He (bring)...........brought.....................me the news himself this morning.

Exercise5:

1. Coming into the room he (see) ........saw.....................Mary where he (leave)...........left...................her

2. What you (do)..............would you do..............if you (be)........................were................................in my situation?

3. He greeted her. She  really (look).........looked.............better than when he (see).................saw..........her last. Yes, she (change)........had changed.............................

4. After the guests (leave)...............had left...................she (go)..........went..............back  into the living room and (switch) .........................switched..................off the light.

5. I sat down at the desk and (wonder)...........wondered.............why my father's letter (not arrive)............hadn't arrived.........................yet. I (write).........wrote....................to ask him to send some money at once.

6. He never fails (arrive).................arriving...................time to help me.

7. On arrival at home I (find) ............found........................that she just ( leave).............had just left.............a few minutes before.

8. Come to see me at 5 this afternoon, I (not arrive ) ..................won't arrive...................home until 4.30

9. Behave your self. Lucy. If you (do).............do...................that again, you (have)..........will have..............to go to bed.

10. When Alice ( get)..............get..................here. You (show)..............Will you show................her to her room ?