| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [vb pp] to | 1970 |
|
| 2 | who had be [vb pp] | 1314 |
|
| 3 | who be [vb pp] to | 589 |
|
| 4 | who had [vb pp] to | 306 |
|
| 5 | who had be to | 15 |
|
