| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] to be | 1036 |
|
| 2 | [vb pp] [adv] to be | 743 |
|
| 3 | [vb pp] is to be | 29 |
|
| 4 | [vb pp] is [adv] to | 6 |
|
