| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be for [det] [noun sg] | 186 |
|
| 2 | it be impossible for [det] | 19 |
|
| 3 | be impossible for [det] [noun sg] | 7 |
|
| 4 | it impossible for [det] [noun sg] | 7 |
|
