| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] at this time | 54 |
|
| 2 | [vb past] at this time | 47 |
|
| 3 | [vb past] [pron] at this | 13 |
|
| 4 | [vb past] [pron] this time | 10 |
|
