| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [pers pn] is | 2890 |
|
| 2 | difficult [pers pn] be | 162 |
|
| 3 | difficult [pers pn] [be] | 162 |
|
| 4 | difficult [pers pn] [is] | 118 |
|
| 5 | difficult [pron] is | 116 |
|
