| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is to be [vb pp] | 4662 |
|
| 2 | to be [vb pp] [adj] | 1909 |
|
| 3 | is to be [adj] | 483 |
|
| 4 | is be [vb pp] [adj] | 95 |
|
