| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is difficult [verb] [noun pl] | 44 |
|
| 2 | [pers pn] is difficult [verb] these | 13 |
|
| 3 | [pers pn] is [verb] these [noun pl] | 9 |
|
| 4 | is difficult [verb] these [noun pl] | 8 |
|
