| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [pers pn] [is] for | 22 |
|
| 2 | difficult it [is] for | 22 |
|
| 3 | difficult [pers pn] is for | 22 |
|
| 4 | difficult [pers pn] [is] for | 22 |
|
