Exercise 1. write sentences in the past continuous. 1.i(work) on the final report all night. 2.i(try) to get in touch with you all day yesterday. 3.my car broke down while i(drive) from perm to ekaterinburg. 4.i (leave) the building when he arrived. 5.yesterday they (prepare) for the seminar on banking and finance. exercise 2. complete the article by changing the verbs in brackets into either the past simple or the past continuous. i am sure you will remember that in the 1990s and the company's sales (decline), we (lose) market share progressively,we(not invest) enough in research and development we (not train) our key personnel in order for them to use the new technologies. so, when i (became) chief executive officer in 2006, some tough decisions had to be taken. i (restructure) the managment hierarchy, (encourage) early retirement, (cut) costs by 25%,(increase) efficiency by imposing greater flexibility and (close down) three of our factories. exercise 3. write sentences in the future continuous. 1. tomorrow at 9 o' clock we (make) a very interesting experiment. 2. this time tomorrow i (ski). 3. good luck with the exam. we (think) of you. 4. professor brown (give) another lecture at the same time next week. 5. she (work) here for another 5 years. 6. i (leave) here at 3 o' clock.

1.I (was working) on the final report all night.
2.I (was trying) to get in touch with you all day yesterday.
3.My car broke down while I (was driving) from Perm to Ekaterinburg.
4.I (was leaving) the building when he arrived.
5.Yesterday they (were preparing) for the seminar on Banking and Finance.

Exercise 2.
...and I am sure you will remember that in the 1990s and the company's sales (were declining), we (were losing) market share progressively,we (were not investing) enough in research and development we (were not training) our key personnel in order for them to use the new technologies.
So, when I (became) Chief Executive Officer in 2006, some tough decisions had to be taken. I (restructured) the managment hierarchy, (encouraged) early retirement, (cut) costs by 25%, (increased) efficiency by imposing greater flexibility and (closed down) three of our factories.

Exercise 3.
 1. Tomorrow at 9 o' clock we (will/shall be making) a very interesting experiment.
2. This time tomorrow I (will/shall be skiing).
3. Good luck with the exam. We (will/shall be thinking) of you.
4. Professor Brown (will be giving) another lecture at the same time next week.
5. She (will be working) here for another 5 years.
6. I (will/shall be leaving) here at 3 o' clock.

1.   1) was working
      2) was trying
      3) was driving
      4) was leaving
      5) were preparing 

2.   1) were declining
      2) were losing 
      3) didn't i nvest
      4) didn't train
      5) became
      6) restructed
      7) encouraged
      8) cut
      9) increased
     10) closed down

3.    1) shall make
       2) shall ski
       3) shall think
       4) will give
       5) will work
       6) shall leave