Ayúdenme por favor
1.- Complete the sentences with FOR or Since.
1. Mr. Johnson has worked for this company ___1980.
2. Kate hasn't eaten anything ____six hours.
3. Peter has read eleven books ___ last weekend.
4. Jason and Clara have been friends ___ more than 10 years.
5. I haven't seen my uncle, Thomas ___
a long time.
6. They haven't come together___
they graduated from the university.
7. Cindy has driven her car___
only five months.
8. We haven't seen Mr.Parker___
this morning
9. David hasn't telephoned___
he left school at three o'clock.
10. The singer has sung seven songs____
the concert began.
Respuestas a la pregunta
Respuesta:
1. Mr. Johnson has worked for this company SINCE 1980.
2. Kate hasn't eaten anything FOR six hours.
3. Peter has read eleven books SINCE last weekend.
4. Jason and Clara have been friends FOR more than 10 years.
5. I haven't seen my uncle, Thomas FOR a long time.
6. They haven't come together SINCE they graduated from the university.
7. Cindy has driven her car FOR only five months.
8. We haven't seen Mr.Parker SINCE this morning
9. David hasn't telephoned SINCE he left school at three o'clock.
10. The singer has sung seven songs SINCE the concert began.
Explicación:
Debes usar SINCE cuando quieras decir "desde". Por ejemplo: No he visto a Miguel desde el año pasado. → I haven't seen Miguel SINCE last year.
Debes usar FOR cuando quieras decir "durante". Por ejemplo: He estado en casa durante dos horas. → I have been home FOR two hours.