| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] [vb pp] to | 838 |
|
| 2 | [adv] [vb pp] back to | 176 |
|
| 3 | had [vb pp] back to | 129 |
|
| 4 | had [adv] [vb pp] back | 69 |
|
