| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [adj] | 29164 |
|
| 2 | be [adv] [adj] | 26016 |
|
| 3 | be [adv] difficult | 3732 |
|
| 4 | [be] [adv] difficult | 3732 |
|
| 5 | [be] [adv] difficult | 636 |
|
| 6 | be [adv] difficult | 636 |
|
