Răspuns:
1. We're tired because we have ran for hours.
2. I have waited for her for 40 minutes.
3. He has watched TV since 9 am.
4. She's red because she has lain in the sun since this morning.
5. They have walked in the rain for an hour and they're really wet.
6. Dad's exhausted because he has worked in the garden since he got up.
