The past perfect tense

Exercise 32. Open the brackets using the verb in the necessary tense form.

1) We … (install) modern machine tools by March. 2) He … (submit) his candidate thesis by the end of his post-graduate course? 3) We … (solve) the problem by the end of May. 4) He … (not/complete) his experiment by the time his chief came. 5) She … (pass) all her entrance exams by the 1^st of October.

Exercise 33. Make short conversations according to the following model:

- Did you get to the train on time?

- No, I didn’t. By the time I got to the station, it had already left.

Use the following instead of the underlined words:

Conference - to begin, library - to close, plane - to take off, lecture - to end, movie - to start, party - to finish.

The future perfect tense

Exercise 34. Put the verbs in brackets into the correct form.

1) In a fortnight’s time we … (pass) all our exams. 2) I … (write) the report by tomorrow evening. 3) By the end of next year I … (complete) my thesis. 4) By next winter they … (develop) a new method. 5) By the end of the university course I … (attend) 1, 200 lectures. 6) By the end of the term I … (read) all the books on the list. 7) He … (check and adjust) the equipment by the end of the week. 8) I hope you … (not) forget all about the Future Perfect Tense by the next lesson.

Exercise 35. Supply the future perfect or the future continuous.

1) They …… (complete) their research by the end of the year. 2) When I get home my dog …… (sit) at the door waiting for me. 3) She …… (leave) for work before the children get home from school. 4) They …… (finish) work on this project by the end of this decade. 5) I’ll still be here next summer but Mary …… (leave). 6) When Eric arrives, his son …… (go) to bed. 7) Before the end of his holiday he …… (spend) all his money. 8) I …… (wait) for you when you come out.

THE PRESENT PERFECT CONTINUOUS TENSE

Exercise 36. Fill in the gaps:

1) I … (work) at this problem for about 5 years. 2) How long ….he …. (live) in Volgograd? 3) She … (work) at her candidate thesis for a year. 4) We … (not/discuss) the results of the experiment since last week. 5) They … (make an experiment) since last April.

Exercise 37. Answer the following questions yourself, and then ask your group mates:

1) How long have you been studying English? 2) How long have you been working at your candidate thesis? 3) How long have you been living here? 4) How long have you been studying at the University? 5) How long have you been reading the book?

Exercise 38. Use the Present Perfect or the Present Perfect Continuous.

1) Look! Somebody … (break) the device. 2) I wonder if Jim (forget) my number. I … (expect) him to call me for the past two hours. 3) You look very upset What … (happen)? 4) You … (not / finish) that article yet? You … (write) it since September. 5) He … (to master) five foreign languages. 6) What you ... (do) for the last two hours? - I ... (sit) here working at this problem.

The past perfect continuous tense

Exercise 39. Make up sentences using the verbs in brackets:

1) He (to try) to solve this problem for 5 years before at last he was a success. 2) They (to develop) this project for 2 months when the chief came. 3) He (to work) at this plant for 2 years when he decided to change his work. 4) I (to solve) this problem for a week when I realized I should use another approach. 5) She (to study English) for three months when we met at the Foreign Language Centre.

Exercise 40. Use the Past Perfect or the Past Perfect Continuous.

1) By the afternoon they (to drive) 300 kilometers. 2) We (to discuss) this plan for 3 hours when the director came. 3) By 2000 he (to write) a book. 4)By the time he was 21, he (to finish) the University. 5) They (to date) for two years before they got married. 6) Mr. Smith (to work) for our company for a year before that event. 7) My brother (to serve) in the Army for 3 months when he wrote the first letter. 8) He (to write) the article by that time?