| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] | 109632 |
|
| 2 | had be [vb pp] | 31891 |
|
| 3 | had [vb pp] [adv] | 19088 |
|
| 4 | had be [adv] | 6073 |
|
