| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is to [be] [vb pp] | 4662 |
|
| 2 | to [be] [vb pp] [adj] | 1102 |
|
| 3 | is to [be] [adj] | 424 |
|
| 4 | is [be] [vb pp] [adj] | 46 |
|
