| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] [vb pp] [adv] | 1844 |
|
| 2 | had [adv] [vb pp] [to-vb] | 1679 |
|
| 3 | [adv] [vb pp] [adv] [to-vb] | 355 |
|
| 4 | had [vb pp] [adv] [to-vb] | 310 |
|
| 5 | had [adv] [adv] [to-vb] | 56 |
|
