| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is often preferable [verb] | 5 |
|
| 2 | it is often preferable [verb] | 5 |
|
| 3 | [pron] is often preferable [verb] | 5 |
|
| 4 | it is often preferable [verb] | 5 |
|
