Applied grammar. (seegrammar reference § 3, 4)

A. 1. We have conducted the activity of our company according to objectives and plans. 2. They have evaluated their activity against plans. 3. He has tested the feedforward control model. 4. Managers have exercised a variety of tools and techniques in controlling. 5. She has applied internal and external information to the enterprise in a timely manner. 6. They have measured our performance in accordance with standards. 7. Managers have taken the corrective measures. 8. The director of our firm has signed the document. 9. The top manager has integrated several types of budgets. 10. They have used statistical data and their analyses, special reports and analyses, the operational audit and personal observation among the traditional nonbudgetary control devices.

B. 1. We had developed control standards to the local environment before our plant started production. 2. Our company had prevented deviations by selecting competent managers before the crisis occurred. 3. The manager had illustrated a comparison of feedforward and feedback control systems in his presentation before I asked him a question. 4. Before the president came, we had prepared the plan of corrective measures. 5. The managers had prepared the revenue and expense budgets by that time. 6. Their plan failed because they had ignored the quality of the product. 7. The income increased because they had used information technology telecommunication means. 8. The personnel managers had used vocational tests before they chose candidates to vacant positions in the company. 9. He had designed several techniques to improve the interviewing process before he began job interviews with applicants. 10. Before he made a decision he had interviewed hundreds of candidates.

Task 15. Put the verbs into the correct form of Present Perfect: