| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be impossible for [det] [noun] | 10 |
|
| 2 | [pron] be impossible for [det] [noun] | 10 |
|
| 3 | it be impossible for [det] [noun] | 10 |
|
| 4 | [pers pn] be impossible for [det] [noun] | 10 |
|
| 5 | [pron] be impossible for [det] [noun sg] | 7 |
|
| 6 | [pron] was impossible for [det] [noun] | 6 |
|
| 7 | [pron] be impossible for any [noun] | 5 |
|
