| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] a pair [prep] | 38 |
|
| 2 | [vb pp] [to-vb] a pair [prep] | 10 |
|
| 3 | have [to-vb] a pair [prep] | 6 |
|
| 4 | have [vb pp] [to-vb] a pair | 5 |
|
