| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it be [adv] difficult | 184 |
|
| 2 | it be [adv] difficult for | 166 |
|
| 3 | [coord] it be [adv] for | 88 |
|
| 4 | [coord] it be difficult for | 20 |
|
