| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [pron] | 25327 |
|
| 2 | had [vb pp] at | 1571 |
|
| 3 | [vb pp] [pron] at | 729 |
|
| 4 | had [pron] at | 71 |
|
