| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be [adj] for us | 46 |
|
| 2 | it [vb mod] be [adj] for us | 37 |
|
| 3 | it [vb mod] be difficult for [pron] | 32 |
|
| 4 | it [vb mod] be difficult for [pers pn] | 28 |
|
| 5 | it [vb mod] be difficult for we | 5 |
|
| 6 | it [vb mod] [be] difficult for us | 5 |
|
| 7 | it [vb mod] be difficult for us | 5 |
|
| 8 | [pers pn] [vb mod] be difficult for us | 5 |
|
| 9 | it [vb mod] be difficult [prep] us | 5 |
|
| 10 | it [modal v] be difficult for us | 5 |
|
| 11 | [pron] [vb mod] be difficult for us | 5 |
|
| 12 | it [vb mod] be difficult for us | 5 |
|
