| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [to-vb] [adv] to | 9 |
|
| 2 | which [vb past] [to-vb] [adv prt] to | 6 |
|
| 3 | which [vb past] [to-vb] up to | 5 |
|
| 4 | which [vb past] [to-vb] up to | 5 |
|
