| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [verb] [adj] | 1603 |
|
| 2 | [pron] is impossible [verb] | 602 |
|
| 3 | is impossible [verb] [adj] | 87 |
|
| 4 | [pron] impossible [verb] [adj] | 46 |
|
