*** translate the sentences paying attention to modal verbs. 1. a knowledgeable investor should have disregarded a plan with such statement. 2. the competition may have come from many sources. 3. watching your competitors could have helped you understand what customers want. 4. you should have gathered data to support your plan. 5. anything else should be negotiated as a part of your life. 6. your home office should reflect your business if customers or clients are going to visit. 7. you should not go into business with friends. 8. you should work at your english as much as possible. 9. she needn't take part in this research if she doesn't want. 10. they needn't devote particular to this phenomenon as they have already studied this effect. 11. the results of the experiments should be checked up very carefully. 12. every researcher ought to be interested in the results of his work.