| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] at [noun] | 208 |
|
| 2 | [pron] [verb] at time | 56 |
|
| 3 | which [verb] [prep] time | 41 |
|
| 4 | which [verb] [prep] time | 41 |
|
| 5 | [Wh det] [verb] at time | 7 |
|
| 6 | which [verb] at time | 7 |
|
| 7 | which [verb] at time | 7 |
|
