| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [prep] a | 2885 |
|
| 2 | had [vb pp] back [prep] | 334 |
|
| 3 | [vb pp] back [prep] a | 220 |
|
| 4 | had [vb pp] back a | 12 |
|
