| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] time | 866 |
|
| 2 | [noun prp] at the [adj] | 468 |
|
| 3 | [noun prp] at the time | 352 |
|
| 4 | [noun prp] the [adj] time | 6 |
|
