| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb base] [adv] | 1880 |
|
| 2 | [vb base] [adv] a | 1328 |
|
| 3 | which [vb base] a | 1190 |
|
| 4 | which [adv] a | 78 |
|
