| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] at the time of | 54 |
|
| 2 | [Wh pn] at the [noun] of | 33 |
|
| 3 | [Wh pn] [prep] the time of | 10 |
|
| 4 | [Wh pn] [prep] the time of | 10 |
|
| 5 | [Wh pn] at the time of | 9 |
|
| 6 | [Wh pn] at the time [prep] | 9 |
|
| 7 | [Wh pn] at the time of | 9 |
|
| 8 | [Wh pn] at [art] time of | 9 |
|
| 9 | [Wh pn] at [art] time of | 9 |
|
