| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] and it is difficult [verb] | 14 |
|
| 2 | [noun pl] and [pers pn] is difficult [verb] | 14 |
|
| 3 | [noun pl] and it is difficult [verb] | 14 |
|
| 4 | [noun pl] and [pron] is difficult [to-vb] | 13 |
|
