| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] difficult it [vb mod] be for | 5 |
|
| 2 | [Wh adv] difficult it [vb mod] [be] for | 5 |
|
| 3 | [Wh adv] difficult it [vb mod] [be] for | 5 |
|
| 4 | [Wh adv] difficult it [vb mod] [be] for | 5 |
|
| 5 | [Wh adv] difficult it [vb mod] be for | 5 |
|
| 6 | how difficult it [vb mod] [be] for | 5 |
|
