| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] very difficult for [pron] | 22 |
|
| 2 | it [is] very difficult for [pers pn] | 19 |
|
| 3 | it [is] very [adj] for us | 15 |
|
| 4 | it [is] [adv] difficult for us | 7 |
|
| 5 | it [be] very difficult for us | 7 |
|
| 6 | it [is] very difficult for we | 6 |
|
| 7 | it [is] very difficult for us | 6 |
|
| 8 | it [is] very difficult [prep] us | 6 |
|
| 9 | [pron] [is] very difficult for us | 6 |
|
| 10 | it [is] very difficult [prep] us | 6 |
|
