| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [vb pp] to [be] | 535 |
|
| 2 | had [adv] be [vb pp] to | 278 |
|
| 3 | had [adv] [vb pp] to [be] | 134 |
|
| 4 | had be [vb pp] to [be] | 102 |
|
