| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [prep] a [adj] | 4525 |
|
| 2 | [pron] [vb past] [prep] a while | 147 |
|
| 3 | [pron] [prep] a [adj] while | 52 |
|
| 4 | [pron] [vb past] a [adj] while | 24 |
|
| 5 | [vb past] [prep] a [adj] while | 18 |
|
