| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [adj] for him | 41 |
|
| 2 | it [modal v] be difficult for [pron] | 32 |
|
| 3 | it [modal v] be difficult for [pers pn] | 28 |
|
| 4 | [pron] [modal v] be difficult for him | 6 |
|
| 5 | [pers pn] [modal v] be difficult for him | 5 |
|
| 6 | it [modal v] be difficult for him | 5 |
|
| 7 | it [modal v] be difficult for he | 5 |
|
| 8 | it [modal v] be difficult [prep] him | 5 |
|
| 9 | it [modal v] [be] difficult for him | 5 |
|
