| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time they | 45 |
|
| 2 | at [det] time they | 33 |
|
| 3 | at that time they | 22 |
|
| 4 | at that time they | 22 |
|
| 5 | at one time they | 12 |
|
| 6 | at one time they | 12 |
|
| 7 | at [num] time they | 12 |
|
| 8 | at this time they | 5 |
|
| 9 | at this time they | 5 |
|
