| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb base] [adv] [to-vb] a | 6 |
|
| 2 | who [vb base] [adv] [to-vb] a | 6 |
|
| 3 | [Wh pn] have [adv] [to-vb] a | 5 |
|
