| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] at | 5674 |
|
| 2 | [noun prp] [vb past] time | 91 |
|
| 3 | [vb past] at time | 41 |
|
| 4 | [noun prp] at time | 15 |
|
