| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [prep] a | 2473 |
|
| 2 | had [vb pp] [prep] [det] | 1180 |
|
| 3 | [vb pp] [prep] a [det] | 655 |
|
| 4 | had [vb pp] a [det] | 127 |
|
