| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [Wh det] [is] | 320 |
|
| 2 | try [to-vb] [pron] [is] | 65 |
|
| 3 | try [to-vb] [Wh det] [be] | 61 |
|
| 4 | try [verb] [Wh det] [is] | 37 |
|
