| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [adj] for them | 246 |
|
| 2 | [pron] be impossible for [pron] | 76 |
|
| 3 | [pron] be impossible for [pers pn] | 60 |
|
| 4 | [pron] [be] impossible for them | 12 |
|
| 5 | [pron] be impossible [prep] them | 12 |
|
| 6 | [pron] be impossible for they | 12 |
|
