1. It was Tom who prevented me from making a mistake.
2. It was Kate who warned him about the danger.
3. It is here where we met for the first time.
4. It is the emphatic constructions that are the subject of the article.
5. It is the lack of money that made him to commit a crime.
6. He did prove that he was right.
7. Do come in!
8. She did want to marry him.
9. I did help them with the homework.
10. Many things do show that women have a different attitude to life than men.
11. He did not reach home until the early hours.
12. Our mission is not impossible.
13. It is not unlikely that they will divorce soon.
14. My words are not impolite.
15. The performance is not unforgettable.
16. Were I a little bird, I would fly to the sky.
17. Were he better educated, he would get the job.
18. Had he money, he would know what to do.
19. Had he seen it, he would believe me.
20. Up goes unemployment, up go prices, and down tumbles the labour vote.
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1. It is quantum electronics that has enabled man to penetrate into the visible light waves.
2. It is Fermis assembly that is still the basic construction of todays nuclear reactors.
3. It is the large-scale integrated circuits that make possible microprocessors and microcomputers.
4. It was scientists who discovered that a laser beam can be efficiently used to record alphanumeric data and sound on crystal.
5. It was ancient Greeks who supposed that stars, planets, the sun and the moon move round the Earth in space.
6. The programmers work consists in translating the details of a problem into a language and he does study, analyse and plan these problems.
7. The third satellite was a cosmic laboratory that did measure its own electric charge and it did register the atmospheric density and pressure.
8. Computers do help our space program, our armed forces, our business and industry.
9. This field does not affect the forward motion of the electrons but does act upon the transverse motion.
10. The test has demonstrated that this installation does detect stator circuit faults.
11. The advances of modern sciences in the production of a wide range of experimental temperatures are thus seen to be not in considerable.
12. Mars and Venus have atmospheres not diss imilar to ours.
13. It is not un likely that this software tends to solve all experimental problems.
14. The results of his scientific research were not un acceptable.
15. The differences between these theories and concepts are not ir reconcilable.
16. Were the material solid, the laser would be known as a solid-state device.
17. Were there even a small deviation in velocity, the space vehicle would pass the planet.
18. Had we used d. c. voltage, we shouldnt have been able to use transformers to increase or reduce it.
19. To resistance shall we pay our attention now.
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20. At very low temperatures the resistance of some metals disappears and they become superconductors.
| I (the infinitive) | II (Past Simple) | III (Past Participle) | (Translation) |
| Be [bi:] Become [bi`kÙm] Begin [bi`gin] Break [breik] Bring [briŋ] Build [bild] Buy [bai] Catch [kæt∫] Choose [t∫u:z] Come [kÙm] Cost [kost] Cut [kÙt] Do [du:] Drink [driŋk] Drive [draiv] Fall [f o:l] Feel [fi:l] Find [faind] Fly [flai] Forget [fə`get] Forgive [fə`giv] Get [get] Give [giv] Go [gou] Grow [grou] Have [hæv] Hear [hiə] Hold [hould] Keep [ki:p] Know [nou] Lay [lei] Lead [li:d] Leave [li:v] Let [let] Lie [lai] Lose [lu:z] Make [meik] Mean [mi:n] Meet [mi:t] Pay [pei] Put [put] Read [ri:d] Rise [raiz] Run [rÙn] Say [sei] See [si:] Send [send] Set [set] Show [∫ou] Sing [siŋ] Sit [sit] Sleep [sli:p] Speak [spi:k] Spend [spend] Stand [stænd] Steal [sti:l] Take [teik] Teach [ti:t∫] Tell [tel] Think [θiŋk] Understand [Ùndə`stænd] Win [win] Wear [wεə] Write [rait] | Was [wəz]/were[wə:] Became [bi`keim] Began [bi`gæn] Broke [brouk] Brought [bro:t] Built [bilt] Bought [bo:t] Caught [ko:t] Chose [t∫uz] Came [keim] Cost [kost] Cut [kÙt] Did [did] Drank [dræŋk] Drove [drouv] Fell [fel] Felt [felt] Found [faund] Flew [flu:] Forgot [fə`got] Forgave [fə`geiv] Got [got] Gave [geiv] Went [went] Grew [gru:] Had [hæd] Heard [hə:d] Held [held] Kept [kept] Knew [nju:] Laid [leid] Led [led] Left [left] Let [let] Lay [lei] Lost [l ost] Made [meid] Meant [ment] Met [met] Paid [peid] Put [put] Read [red] Rose [rouz] Ran [ræn] Said [sed] Saw [s o:] Sent [sent] Set [set] Showed [∫oud] Sang [sæŋ] Sat [sæt] Slept [slept] Spoke [spouk] Spent [spent] Stood [stud] Stole [stoul] Took [tuk] Taught [t o:t] Told [tould] Thought [θo:t] Understood [Ùndə`stud] Won [w Ùn] Wore [wo:] Wrote [rout] | Been [bi:n] Become [bi`kÙm] Begun [bi`gÙn] Broken[`brouk(ə)n] Brought [bro:t] Built [bilt] Bought [bo:t] Caught [ko:t] Chosen [`t∫uzn] Come [kÙm] Cost [kost] Cut [kÙt] Done [dÙn] Drunk [`drÙŋk] Driven [`drivn] Fallen [`f o:l(ə)n] Felt [felt] Found [faund] Flown [floun] Forgotten [fə`g otn] Forgiven [fə`givn] Got [got] Given [`givn] Gone [gon] Grown [groun] Had [hæd] Heard [hə:d] Held [held] Kept [kept] Known [noun] Laid [leid] Led [led] Left [left] Let [let] Lain [lein] Lost [l ost] Made [meid] Meant [ment] Met [met] Paid [peid] Put [put] Read [red] Risen [`rizn] Run [rÙn] Said [sed] Seen [si:n] Sent [sent] Set [set] Shown [∫oun] Sung [sÙŋ] Sat [sæt] Slept [slept] Spoken [spouk(ə)n] Spent [spent] Stood [stud] Stolen [`stoulen] Taken [`teik(ə)n] Taught [to:t] Told [tould] Thought [θo:t] Understood [Ùndə`stud] Won [w Ùn] Worn [wo:n] Written [`ritn] | () |
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| Indefinite | Continuous | Perfect | |
| Present | V; Vs ?; - Do, does I write. Do you write? I dont write. | Am/is/are + Ving I am writing. Are you writing? Im not writing. | Have/ has + V3 I have written. Have you written? I havent written. |
| Past | Ved; V2 ?; - Did I wrote. Did you write? I didnt write. | Was/ were + Ving I was writing. Were you writing? I wasnt writing. | Had + V3 I had written. Had you written? I hadnt written. |
| Future | Will + V I will write. Will you write? I wont write. | Will be +Ving I will be writing. Will you be writing? I wont be writing. | Will have + V3 I will have written. Will you have written? I wont have written. |
| (I) ( ) | Present Indefinite V; Vs Ifthe experimentisa success, Ifwewritea good article, | Future Indefinite Will + V wewill writea good article. we will go to the conference. | , . , . |
| (II) ( ) | Past Indefinite Ved; V2 Ifthe experimentwerea success, Ifwewrotea good article, | Future-in-the Past Would + V wewould writea good article. we would go to the conference. | (), . (), . |
| (III) ( ) | Past Perfect Had + V3 Ifthe experimenthad beena success, Ifwehad writtena good article, | _______________ Would have +V3 wewould have writtena good article. we would have gone to the conference. | (), . (), . |
