| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | us at the moment | 19 |
|
| 2 | us at the end | 14 |
|
| 3 | us at the time | 13 |
|
| 4 | us at the beginning | 7 |
|
| 5 | us at the address | 6 |
|
| 6 | us at the airport | 6 |
|
