| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] at this | 10 |
|
| 2 | which [vb past] at this | 6 |
|
| 3 | which at this [noun] | 11 |
|
| 4 | which at this [noun sg] | 11 |
|
| 5 | which at this stage | 6 |
|
| 6 | which at this stage | 6 |
|
