Ex.8. put the verbs into present perfect continuous 1.xerox (produce) quality equipment for many years. 2.we (sell) vacuum cleaners since 1986. 3.the police (investigate) this crime for two weeks already. 4.this reporter (provide) the cosmopolitan with the latest news about celebrities since he first started working there. 5.john (deal) in cars all his life. 6.how long you (work) in the marketing department? 7.barbara (compare) these two dresses for 2 hours already but she still can’t make up her mind which one to choose. 8.bee-line, megaphone and mts (compete) since the day they started their business. 9.more and more customers (use) online shopping over the recent years. 10.our best designer jane hopkins (create) attractive interior decorations for more than 4 years. 11.mass media (cover) the scandal with this bank’s bankruptcy since march. 12.business “angels” (invest) in start-upsfor years. 13.i (use) the skype for three months and i find it very amusing. 14.we (purchase) textbooks from britannia bookshop for many years. 15.their firm (rent) this office building since they set up their business in moscow.

1.xerox has been producing quality equipment for many years. 2.we have been selling vacuum cleaners since 1986. 3.the police have been investigateing this crime for two weeks already. 4.this reporter has been providing the cosmopolitan with the latest news about celebrities since he first started working there. 5.john has been dealing in cars all his life. 6.how long have you been working in the marketing department? 7.barbara has been comparing these two dresses for 2 hours already but she still can’t make up her mind which one to choose. 8.bee-line,megaphone and mts has been competing since the day they started their business. 9.more and more customers have been using online shopping over the recent years. 10.our best designer jane hopkins has been creating attractive interior decorations for more than 4 years. 11.mass media has been covering the scandal with this bank’s bankruptcy since march. 12.business “angels” has been investing in start-upsfor years. 13.i  have been using the skype for three months and i find it very amusing. 14.we have been purchasing textbooks from britannia bookshop for many years. 15.their firm has been renting this office building since they set up their business in moscow.

1. lena is a very good girl. she always helps her mother about the house. today she has been helping her mother since morning. she has already washed the floor and dusted the furniture.

the actors give good advice.

  1.do the actors give advice? (общий)

  2.who gives good advice? ( специальный, к подлежащему )

  3.what do the actors give? ( специальный )

  4.do the actors give good or bad advice? ( альтернативный)

  5.the actors give good advice,don't they? ( разделительный )

sara wants to be an actress. 

  1.does sara want to be an actress?

  2.who wants to be an actress?

  3.what does sara want to be?

  4.does sara want to be an actress or a writer?

  5.sara wants to be an actress,doesn't she?