| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be for [pers pn] [to-vb] | 53 |
|
| 2 | [vb mod] be difficult for [pers pn] | 36 |
|
| 3 | be difficult for [pers pn] [to-vb] | 31 |
|
