Present Perfect Tense Already and Yet Since and For

1. What have you done lately? Present Perfect M.D. Sandra E. Meza Peña And Students from High School March 2007.

2. Present Perfect Look at this phrase: “ ...The same brushes and paints we have used for decades ...” Yes No Artists used brushes and paints before now. Artists use brushes and paints now. Yes Yes This statement implies that:

3. Present Perfect Now, look at these sentences. They all describe activities that began in the past and still continue. 1.- I have lived in Monterrey since I was born. 2.- I have been in High School for 3 semesters. 3.- We have studied English since Junior High. 4.- My sister has helped me to keep practicing. 5.- She has spoken English all her life.

5. an UFO. seen have They to Mexico several times. gone have We the window. broken has It in love with you. fallen has She to the house 5 times this year come has He in Teran since 1998. lived have You my homework done have I COMPLEMENT PARTICIPLE VERB HAVE / HAS PERSONAL PRONOUN

6. In negative sentences we just add the word NOT after the verb have / has. the exam. taken hasn’t She me yet called hasn’t He to Europe yet. traveled haven’t You my homework finished haven’t I COMPLEMENT PARTICIPLE VERB HAVE / HAS + not PERSONAL PRONOUN

7. Remember: We use the Present Perfect with: have or has + Past Participle have I We You They has He She It Now, complete the following exercise using verbs in parentheses. 1.- English ______ _______ a major language since many years ago.(be) 2.- We ______ _____________ in extracurricular activities.(participate) 3.- Technology ______ _________ an increasing role in education.(play) have not has not

8. Now, complete the following exercise using verbs in parentheses. 1. English ______ _______ a major language since many years ago.(be) 2. We ______ _____________ in extracurricular activities.(participate) 3. Technology ______ _________ an increasing role in education.(play) 4. Pedro ______ ________ the best one in Mathematics. (be)

9. 5.- ______ Andrea _________ some poems ? (write) 6.-The students _________ their English homework.(do) 7.- _______ the teacher and the students _________ the project ? (finish) 8.- Sara ___________ all the exams. (pass) (negative) 9.- Education ______________ our society. (improve) 10.- Mr. Smith ___________ a teacher for many years.(be) 11.- I _______________ Chinese food. (have) (negative)

15. P r e s e n t P e r f e c t Write the words in the correct order to make logical sentences. 1.- existence – of years – The Earth – for millions – been – has – in 2.- an important – been – The Red Cross – Organization – International - has – since 1864. 3.- You – ever – Have – a – museum – visited - ? 4.- failed – subjects – two – Jimmy – has – Math – Biology – and . 5.- have – Cancun – not – gone – yet – My – to – parents .

16. Present Perfect vs. Simple Past Tense Select the adequate verb to complete each sentence. 1.- Paul ________ iguana meat last July (ate/ has eaten) but he ___________ up in a balloon yet . (didn’t go/ hasn’t gone) 2.- My brother ___________ that movie many times but I haven’t. ( saw / has seen ) 3.- Patty _________ a new car last month (bought / has bought) but I __________ one yet. (didn’t buy / haven’t bought) 4.- The teacher ____________ present perfect tense yesterday. (explained / has explained)