| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [Wh adv] difficult [pers pn] be for | 7 |
|
| 2 | [vb base] [Wh adv] difficult it [be] for | 7 |
|
| 3 | [vb base] [Wh adv] difficult [pers pn] is for | 7 |
|
| 4 | [vb base] how difficult [pers pn] [be] for | 7 |
|
| 5 | [vb base] [Wh adv] difficult [pers pn] [be] for | 7 |
|
| 6 | [vb base] [Wh adv] difficult [pers pn] [is] for | 7 |
|
| 7 | [vb base] [Wh adv] difficult [pers pn] [be] for | 7 |
|
| 8 | know [Wh adv] difficult [pers pn] [be] for | 5 |
|
