| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be possible [prep] [noun sg] [to-vb] | 9 |
|
| 2 | it is possible [prep] [noun sg] [to-vb] | 8 |
|
| 3 | it be possible for [noun sg] [to-vb] | 6 |
|
| 4 | it be possible for [noun sg] [to-vb] | 6 |
|
