| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | service at the same [noun] | 6 |
|
| 2 | service at the [det] [noun sg] | 6 |
|
| 3 | service at the [det] time | 5 |
|
| 4 | service at the [det] time | 5 |
|
