| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] to [be] [adj] | 735 |
|
| 2 | is [vb pp] to [adj] [noun] | 383 |
|
| 3 | [vb pp] to [be] [adj] [noun] | 318 |
|
| 4 | is [vb pp] to [be] [noun] | 107 |
|
| 5 | is to [be] [adj] [noun] | 17 |
|
