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4. Put the verbs in brackets into required Tense Form (Present Indefinite, Present Continuous, Present Perfect, Present Perfect Continuous Active)
1. Marcus (to finish) already with the letters and now (to look through) the report. 2. It is cold today. The weather (to change) since yesterday. 3. My uncle (to know) everything about roses. He (to grow) them for 35 years. Now he (to try) to produce a blue one. 4. I never (to hear) this story from my father. 5. He (to be) a reader of this magazine for years. 6. I can’t give you the book now. I (to read) it. 7. My father (to have) an important appointment tomorrow. 8. The employees (to receive) salaries twice a month.