Esson 43 a) Work in pairs. Look at the chart and compare (epa) Land
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1. Celebrity appearances were used to entertain shoppers.

2. Sometimes celebrity appearances are used to entertain shoppers.

3. Next Sunday celebrity appearances will be used to entertain shoppers.

4. This month celebrity appearances are being used to entertain shoppers.

5. Last month celebrity appearances were being used to entertain shoppers.

6. Since the 19th century celebrity appearances have been used to entertain shoppers.

7. Before the Second World War celebrity appearances had been used to entertain shoppers.

8. By the end of the year celebrity appearances will have been used to entertain shoppers.

1. Catalogue sales had been used since the 15th century, hadn't it?

2. Catalogue sales was confined to the sale of books and seeds, wasn't it?

3. Improvements in transport and postal services, influenced catalogue sales, didn't they?

4. Orders for flannel clothing were despatched by post, weren't they?

5. Montgomery Ward's first catalogue was issued in August 1872, wasn't it?

6. The price list was 20 cm × 30 cm in size, wasn't it?

7. Sears and Roebuck were also using mail order with great success, weren't they?