| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] back [prep] | 708 |
|
| 2 | [not/n't] have [vb pp] [prep] | 702 |
|
| 3 | [not/n't] [vb pp] back [prep] | 49 |
|
| 4 | [not/n't] have [vb pp] back | 14 |
|
