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* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
FORM USE PRACTICE FORM + S+HAVE/HAS( for he,she,it)+PAST PARTICIPLE (3rd form of the irreg. Vb/ + ed for reg. Vb) - S+HAVEN’T/HASN’T+ PAST PARTICIPLE (3rd form of the irreg. Vb/ + ed for reg. Vb) ? HAVE/HAS+ S+ PAST PARTICIPLE (3rd form examples of the irreg. Vb/ + ed for reg. Vb) ? USE + - I have lost my wallet ! I haven’t seen Mike. form ? Have you found your wallet? Yes, I have. No, I haven’t. Use USE USE 1 Unspecified Time Before Now We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important. We CAN use the Present Perfect with unspecific expressions such as: ever, never, once, many times, several times, before, so far, already,just, yet, etc. EXAMPLES •I have seen that movie twenty times. •I think I have met him once before. •There have been many earthquakes in California. •Have you read the book ,yet? •Nobody has ever climbed that mountain. •A: Has there ever been a war in the United States? B: Yes, there has been a war in the United States. • He has just phoned me. USE 2: WITH SINCE AND FOR • SINCE shows the beginning of action • FOR shows duration EXAMPLES I have studied since you left. Pres.Perf. SINCE I have studied for 2 hours. Past simple USE 3: IN “HOW LONG” QUESTIONS “How long have you studied?” “I have studied for 2 hours.” Press me for aTIP ! TIP ! THE TENSE IN THE QUESTION IS ALWAYS THE SAME TO THE TENSE IN THE ANSWER !!! So, whenever you are to answer a question, don’t think too much ! Just use the same tense in your answer. USE 4: ACTION STARTED IN THE PAST, BUT STOPS NOW ( UP TO NOW) I have studied up to now. ( now I don’t anymore ! ) I have studied for half an hour. ( now I don’t anymore ! ) I have studied since you left. ( now I don’t anymore ! ) ADVERB PLACEMENT Adverbs such as: always, only, never, ever, just, already -are placed IN FRONT OF THE MAIN VERB. I have already visited London. Have you ever visited London? She has just left. ¡ “YET” is used only for interrogative and negative and it is placed at the end. He hasn’t left yet. PRACTICE 1 Complete the sentences below with the correct tense: have never seen 1. I (never,see)……………….that film. has just arrived 2. Sam (just, arrive)…………………. has already finished 3. He ( already, finish)………………his 2nd book. have missed 4. We ( miss)……………………the bus. haven’t called 5. They ( not called)………………….the doctor, yet. Have you ever eaten 6. ( you, ever, eat)………………….Greek food? have you missed 7. How long (you, miss)…………………….? have sung 8. I (sing)……………….for an hour. PRACTICE 2 Put the following adverbs in the correct place: 1. Tom has missed the bus. (just) Tom has just missed the bus. 2. I have bought a bottle of milk. ( already) I have already bought a bottle of milk. 3. Have you played computer games? ( ever) Have you ever played computer games? PRESENT PERFECT CONTINUOUS FORM + S+ HAVE/HAS+ BEEN+ VB. ING I have been studying for 2 hours. -S + HAVEN’T/ HASN’T + BEEN+ VB ING -I haven’t been singing for 10 minutes. ? HAVE/HAS+ S+ BEEN+ VB. ING ? Have you been waiting for the last 2 hours? USE Action started in the past and may still continue. I have been running since the competition started. ( I am still running as the competition hasn’t finished yet) It is important to remember that NonContinuous Verbs cannot be used in any continuous tenses: Abstract Verbs to be, to want, to cost, to seem, to need, to care, to contain, to owe, to exist... Possession Verbs to possess, to own, to belong... Emotion Verbs Use them in Present Perfect Simple instead to like, to love, to hate, to dislike, to fear, to envy, to mind... PRACTICE 3 Fill in the correct tenses: have been waiting 1. We (wait)…………here for half an hour and nobody has taken (take) ……………..our order yet. have already ordered 2. He probably thinks we (already, order)…………………. have been sitting 3. We (sit)……………here for so long staring at him! has even noticed 4. I don’t know if he ( even, notice)……………… He has been running (run)………………from table to table. hasn’t looked 5. That’s true, and he ( not, look)…………….in our direction once! Your score 1. NO MISTAKE, PERFECT SCORE !! SMASHING !! Who am I? Press here to find…Slide 18 2. 1-2 MISTAKES: VERY WELL !!! Who am I? Press here to find… Slide 19 3. 3-4 MISTAKES: WELL DONE !! Who am I? Press here to find…Slide 20 1. 5 OR MORE MISTAKES Who am I? Press here to find…Slide 21 Your homework: make a project on Einstein’s life and work. Your homework: make a project on Mozart’s life and work. Your homework:make a project on one of the two film characters. OR Your homework:all previous assignments !