| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [to-vb] just [Wh adv] | 12 |
|
| 2 | difficult [to-vb] just [adv] | 12 |
|
| 3 | difficult [to-vb] just how | 11 |
|
| 4 | difficult [to-vb] just how | 11 |
|
| 5 | difficult [to-vb] just [pron] | 5 |
|
| 6 | [is] difficult [to-vb] just | 12 |
|
| 7 | be difficult [to-vb] just | 12 |
|
| 8 | [be] difficult [to-vb] just | 12 |
|
| 9 | is difficult [to-vb] just | 9 |
|
