Ex1. Complete the sentences with is/ are, has/ have or does/do
1. Either John or you ___________to be responsible for the unfinished work.
2. David, as well as his friends, ___________collecting waste paper to recycle.
Ex2. In each of the following sentences, put the verb in brackets into the correct form
1. Two weeks (go) ________________ fast when you are on vacation.
2. Many of the girls in my school (wear) ________________ white shirts.
Ex5. Supply the correct tenses and form of the verbs in parentheses:
1. The English (be) _________________ famous for their calmness.
2. The money that (spend) _________________ on education every year (be) _________________ not enough.