Употребите глагол в нужной форме: 1. he usually (have) a lot pf work to do 2. there (be) many english and french books in his library 3. his elder sister (work) in a factory two years ago 4. she never (see) her aunt 5. his sister (collect) stamps last year 6. next week there (be) a concert in the park 7. he (not to know) anything about his parents

1.has
2.are
3.worked
4.sees
5.collected
6.is
7.doesn't know

1. He usually has a lot pf work to do
2. There are many English and French books in his library
3. His elder sister worksed in a factory two years ago
4. She never seen her aunt
5. His sister collected stamps last year
6. Next week there will be a concert in the park
7. He doesn't know anything about his parents