| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [adj] it be for | 105 |
|
| 2 | [Wh adv] difficult it be [prep] | 31 |
|
| 3 | [adv] difficult it be for | 29 |
|
| 4 | [Wh adv] difficult it [be] for | 25 |
|
| 5 | [Wh adv] difficult it be for | 25 |
|
| 6 | [Wh adv] difficult [pers pn] be for | 25 |
|
| 7 | [Wh adv] difficult [pron] be for | 25 |
|
