| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] [prep] a | 6718 |
|
| 2 | have [vb pp] back [prep] | 708 |
|
| 3 | [vb pp] back [prep] a | 191 |
|
| 4 | have [vb pp] back a | 22 |
|
