Present Perfect and Present Perfect Continuous
Упражнение 1. Choose the right tense form. Nina has been learning/has learned English for 2 years. The birds have already flown/have been flying to the South. They have known /have been knowing him for many years. Mike has forgotten/has been forgetting to learn the poem. The children have been watching/have watched cartoons for 2 hours. The train has just come/has been coming. We haven’t been having/ haven’t had a holiday for 5 years. She has been teaching/has taught at this school for twenty years. David has been painting/has painted in his studio since 10 o’clock. Mary and Sam have collected/ have been collecting stamps for 3 years. Their parents have been/have being friends since their childhood. Dave has been/ has been being a student for 2 years. Упражнение 2. Поставь глагол в скобках в Present Perfect или Present Perfect Continuous. I (not to see) him for ages. He (to do) his lessons since lunch. I (not to hear) about him for a long...
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