| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult to say | 42 |
|
| 2 | very difficult to say | 16 |
|
| 3 | very difficult to say | 16 |
|
| 4 | more difficult to say | 5 |
|
| 5 | more difficult to say | 5 |
|
