ПОМОГИТЕ РЕШИТЬ !!!

Ex.12. Use the verbs in brackets in the proper form. Translate the sentences into Russian.
1. Students (to teach) English, German, and French at the University.
2. Economic laws (to form) the basis for the development of society.
3. Laws which are typical of only one formation (to know) as specific laws.
4. A new theoretical concept (to formulate) by this famous economist.
5. Some new methods and techniques (to discuss) at the next meeting.
6. Last month the manager of the company (to invite) several students for a job interview.
7. High transportation prices (to explain) by the present energy crisis.
8. Inflation (to dictate) the necessity of price regulation by the government a week ago.
9. This machine (to design) not long ago and now it (to test) in our laboratory.
10. The last experiments (not to show) good results.