| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] who [vb past] an | 22 |
|
| 2 | [det] [Wh pn] [vb past] an | 16 |
|
| 3 | those [Wh pn] [vb past] an | 15 |
|
| 4 | those [Wh pn] [vb past] an | 15 |
|
| 5 | [adj] [Wh pn] had an | 6 |
|
