| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [adv] difficult say | 14 |
|
| 2 | [pers pn] is [adv] difficult to say | 14 |
|
| 3 | it is [adv] difficult say | 14 |
|
| 4 | [pers pn] is very difficult say | 5 |
|
