| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [vb pp] | 108718 |
|
| 2 | have [be] [vb pp] | 103140 |
|
| 3 | had [be] [verb] | 38032 |
|
| 4 | [vb past] [be] [vb pp] | 33725 |
|
