| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] [to-vb] [noun] | 285 |
|
| 2 | [Wh det] [be] [vb pp] [to-vb] [noun] | 273 |
|
| 3 | [Wh det] it [be] [vb pp] [to-vb] | 76 |
|
| 4 | [Wh det] it [be] [vb pp] [noun] | 10 |
|
| 5 | [Wh det] it [be] [to-vb] [noun] | 9 |
|
