III. Read the sentences and add a sentence with the Present Perfect Progressive. Прочитайте предложения и напишите причину, почему это происходит? Example: Tom is out of breath (he / run). He has been running.-Том тяжело дышит. Он бежал.
1. We are tired. (we / work / hard)
2. John's clothes are dirty. (he / clean / his car)
3. The children are hot and excited. (they / play football)
4. Tom's skin is red. (he / sunbathe / for hours) 5. Mary is slim. (she / keep to a diet)