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Auxiliary verbs: couldn't have done

 

PEG 159

 

A: He says he saw Mary at the dance. (But B knows that Mary wasn't there.)

B: He couldn't have seen her. She wasn't there.

 

A: He says he escaped through the window. (But B knows that the window is barred.)

B: He couldn't have escaped through the window. It's barred.

 

The information known to B will be placed in brackets after A's statement.

The words 'But B knows that...' will be omitted.

 

He says he...

 

1. had an argument with Tom at the party. (Tom wasn't there.)

2. bolted the door. (It has no bolt.)

3. used the Emergency Exit. (There isn't one.)

4. came up by the lift. (The lift wasn't working.)

5. slept in room 13. (There is no room 13.)

6. bought it in Harrods on Sunday. (Harrods doesn't open on Sunday.)

7. hired a sailing boat in St. James Park. (there are no boats for hire in St. James's Park.)

8. drove across Hungerford Bridge. (It is for trains and pedestrians only.)

9. took the Piccadilly Line to High Street Kensington. (The Piccadilly Line doesn't pass through High Street Kensington.)

10.carried it himself. (It weighs a ton.)

11.dined in a restaurant on top of Nelson's Column. (There is no restaurant there.)

12.waded across the Thames at Westminster Bridge. (It is too deep.)

13.watched Westminster Bridge lifting up to let a ship through. (This bridge doesn't lift up.)

14.saw the Queen standing in a queue. (The Queen doesn't stand in queues.)

15.was attacked by wolves when crossing Hampstead Heath. (There are no wolves there.)

16.walked from Chelsea to Kew in half an hour. (It is too far.)

17.got sunburnt in Hyde Park in November. (The sun isn't strong enough.)

18.swam across the Irish Sea. (It is too wide.)

19.heard your clock strike. (My clock doesn't strike.)

20.went there by train. (The railway line is closed.)

 

Auxiliary verbs: needn't have done / could have done

 

PEG 154

 

A: You sent the sheets to the laundry, I suppose? (wash them myself)

B: No, I washed them myself.

C: You needn't have washed them yourself. You could have sent them to the laundry.

1. You went by taxi, I suppose? (take a bus)

2. You went by bus, I suppose? (walk)

3. You took the lift, I suppose? (walk up the stairs)

4. You phoned him, I suppose? (write)

5. You got the tube tickets from a machine, I suppose? (stand in a queue)

6. You borrowed the books, I suppose? (buy)

7. You asked the shop to send the parcels home, I suppose? (carry there)

8. You painted the car yourself, I suppose? (have it sprayed)

9. You sewed it by hand, I suppose? (use the machine)

10.You walked up the ski-slope, I suppose? (take the ski-lift)

11.You paid by cheque, I suppose? (pay by cash)

12.You dialled the Paris number direct, I suppose? (ask the exchange to get)

13.You replaced the bulb yourself, I suppose? (send for the electrician)

14.When the curtain caught fire you put it out yourself, I suppose? (ring for the Fire Brigade)

15.You covered the grand piano with a sheet before you painted the ceiling, I suppose? (moved it out of the room)

16.A button fell off your coat so you sewed it on, I suppose?)throw the coat away)

17.You went second class, I suppose? (go first class)

18.A fuse blew so you put in a new fuse, I suppose? (sit in the dark)

19.You left your heavy case at the station, I suppose? (take it with me)

20.As you needed a copy you used a carbon, I suppose? (type it twice)

 

 


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Читайте в этой же книге: PRE-TEXT ASSIGNMENTS | PRE-TEXT ASSIGNMENTS | STRUCTURE DRILLS | Auxiliary verbs: can and can't | Auxiliary verbs: didn't have to | Auxiliary verbs: may/might be workingandmay/might have been working | Tenses: present and past continuous with always | Perhaps he'll. |
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Auxiliary verbs: shouldn't be doingandshould have done| Auxiliary verbs: Couldn't you have done?or Shouldn't you have done?

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