Exercise 1: Fill in the blanks with «since» or «for».

1. I have lived in this city since 2010.
2. She has worked here for five years.
3. They have known each other since childhood.
4. We have been waiting for two hours.
5. He has been a teacher since 1995.
6. I have had this book since last week.
7. She has studied French for a long time.
8. They have been married since 10 years.

Exercise 2: Complete the sentences with the correct form of the verb.

1. We have lived here since 2015.
2. I have known her for five years.
3. They havent seen their cousins sience last Christmas.
4. She has worked  at the hospital since2002.
5. I have waited for you for an hour.
6. He  has studyed  English since he was a child.
7. We haven’t wisited hat museum since our trip to Paris.
8. She has had the same phone for two years.

Exercise 3: Correct the mistakes in the following sentences.

1. I have known her for five year.
2. They have been living here since 2010.
3. We have studied French for 3 months.
4. She has worked here  since 1999.
5. I have been waiting for two hours