Упражнение 1. Choose the right tense form. 1. Nina has been learning/has learned English for 2 years. 2. The birds have already flown/have been flying to the South. 3. They have known /have been knowing him for many years. 4. Mike has forgotten/has been forgetting to learn the poem. 5. The children have been watching/have watched cartoons for 2 hours. 6. The train has just come/has been coming.

Ответ:

• 1. Nina has learned English for 2 years.
• 2. The birds have already flown to the South.
• 3. They have known him for many years.
• 4. Mike has forgotten to learn the poem.
• 5. The children have have been watching cartoons for 2 hours.
• 6. The train has just come.