| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [adv] | 19088 |
|
| 2 | had [vb pp] a | 8724 |
|
| 3 | [vb pp] [adv] a | 3980 |
|
| 4 | had [adv] a | 494 |
|
