| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] difficult for us | 9 |
|
| 2 | it be [adv] difficult for we | 9 |
|
| 3 | it [be] [adv] difficult for we | 9 |
|
| 4 | it [be] [adv] difficult for we | 8 |
|
| 5 | it [is] [adv] difficult for we | 7 |
|
| 6 | it [be] very difficult for we | 7 |
|
| 7 | it [be] very difficult for we | 7 |
|
| 8 | it is [adv] difficult for we | 5 |
|
