| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [verb] [that] [det] | 536 |
|
| 2 | [pers pn] is difficult [verb] [det] | 114 |
|
| 3 | [pers pn] is difficult [verb] [that] | 97 |
|
| 4 | is difficult [verb] [that] [det] | 14 |
|
