1 . 判断下列句子中的画线部分在句中所充当的成分
1. I have something important to tell you.
2. Fortunately, everything worked out all right in the end.
3. I would be grateful if you could provide us with some details.
4. They are having the building repaired.
5. He bought me a new book yesterday.
6. Could you remind me to write a report?