| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [adj] for us | 56 |
|
| 2 | it [is] [adv] difficult for [pron] | 36 |
|
| 3 | it [is] [adv] difficult for [pers pn] | 33 |
|
| 4 | it [be] [adv] difficult for us | 9 |
|
| 5 | it [is] [adv] difficult [prep] us | 7 |
|
| 6 | it [is] [adv] difficult for we | 7 |
|
| 7 | [pron] [is] [adv] difficult for us | 7 |
|
| 8 | it [is] [adv] difficult [prep] us | 7 |
|
| 9 | it [is] [adv] difficult for us | 7 |
|
