| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [is] [adv] difficult | 1119 |
|
| 2 | [adj] [pers pn] [is] [adv] | 625 |
|
| 3 | [adj] [is] [adv] difficult | 98 |
|
| 4 | [adj] [pers pn] [is] difficult | 33 |
|
