5. раскройте скобки, употребляя глагол в present perfect continuous tense. 1. he (to write) books since he was a young man. 2. today she (to help) her mother since morning. 3. he (to run) for ten minutes without any rest. 4. they (to work) there for three hours already. 5. they (to play) since breakfast time. 6. i (to live) in st. petersburg since 1990. 7. he (to work) here for fifteen years. 8. you (to play) with a ball for three hours already. 9. you (to sleep) for ten hours already. 10. i (to wait) for a letter from my cousin for a month already. 11. i (to wait) for you since two o'clock. 12. i (to read) for two hours already. 6. дополните вопрос. 1. learning new words isn’t that hard, …? 2. john went to the pond…? 3. ben has called his dad, …? 4. some species of tiger are endangered, ….? 5. elephants live in the desert, …? 6. mary didn’t collect the stamps, …? 7. recycling isn’t that hard, …? 8. camels live in the desert, …? 9. sarah didn’t collect the cans and newspapers, …? 10. sarah has called her mum, …? 11. gorillas are amazing animals, …? 12. it can’t be true, …?

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