| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] difficult [to-vb] just [Wh adv] | 9 |
|
| 2 | it [be] difficult [to-vb] just [adv] | 9 |
|
| 3 | it [be] difficult [to-vb] just how | 8 |
|
| 4 | it [be] difficult [to-vb] just how | 8 |
|
