| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] which at the [det] time | 7 |
|
| 2 | [conj] which [prep] the [det] time | 7 |
|
| 3 | [coord] which [prep] the [det] time | 7 |
|
| 4 | [conj] which [prep] the same time | 7 |
|
