| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have [vb pp] [prep] [art] | 1180 |
|
| 2 | have [vb pp] back [prep] [art] | 241 |
|
| 3 | [Wh pn] have [vb pp] back [prep] | 31 |
|
