| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] difficult for | 356 |
|
| 2 | [be] [adv] for we | 69 |
|
| 3 | [be] difficult for we | 37 |
|
| 4 | [adv] difficult for we | 33 |
|
