| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] difficult for | 117 |
|
| 2 | it [is] [adv] for us | 29 |
|
| 3 | it [is] difficult for us | 19 |
|
| 4 | it [adv] difficult for us | 8 |
|
| 5 | [is] [adv] difficult for us | 7 |
|
