| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [to-vb] [noun] | 441 |
|
| 2 | [Wh det] it [vb -s] [to-vb] | 245 |
|
| 3 | [Wh det] [vb -s] [to-vb] [noun] | 224 |
|
| 4 | [Wh det] it [vb -s] [noun] | 85 |
|
