| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb pp] at the time | 104 |
|
| 2 | [conj] [noun] at the time | 70 |
|
| 3 | [conj] [noun] [vb pp] at the | 67 |
|
| 4 | [conj] [vb pp] at the time | 19 |
|
