| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] for a while | 115 |
|
| 2 | [pron] [vb past] for a long | 69 |
|
| 3 | [pron] for a long while | 8 |
|
| 4 | [vb past] for a long while | 5 |
|
