| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [to-vb] [noun] | 1630 |
|
| 2 | is [vb pp] to [noun] | 1175 |
|
| 3 | [vb pp] [to-vb] to [noun] | 713 |
|
| 4 | is [vb pp] [to-vb] to | 263 |
|
| 5 | is [to-vb] to [noun] | 77 |
|
