3. Make negative sentences: 1. They/arrive/at the airport. 2. Fred/forget/to phone/his friend. 3. Julia/ send/ an e-mail/to her friend. 4. She/clean/the kitchen/yet. 5. We/turn/the radio off/before going out. 6. Tom/repair/his bike/yet. 7. Her aunt/forget/to send/ a telegram. 8. They/watch TV/for a few days.​