| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] which [vb past] at [art] | 64 |
|
| 2 | [noun sg] [vb past] at [art] time | 38 |
|
| 3 | [noun sg] which at [art] time | 16 |
|
| 4 | which [vb past] at [art] time | 10 |
|
