| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time | 9436 |
|
| 2 | at [det] time | 7156 |
|
| 3 | at that [noun] | 5194 |
|
| 4 | [prep] that time | 3874 |
|
| 5 | [prep] that time | 3874 |
|
| 6 | at that time | 2510 |
|
| 7 | at that time | 2510 |
|
