| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [adv] [to-vb] | 720 |
|
| 2 | had [vb pp] how [to-vb] | 36 |
|
| 3 | [vb pp] [adv] how [to-vb] | 27 |
|
| 4 | had [vb pp] [adv] how | 20 |
|
