| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who has [adv] try [to-vb] | 7 |
|
| 2 | [Wh pn] has [adv] try [to-vb] | 7 |
|
| 3 | [Wh pn] has [adv] tried [to-vb] | 7 |
|
| 4 | [Wh pn] has ever try [to-vb] | 6 |
|
| 5 | [Wh pn] has ever try [to-vb] | 6 |
|
