| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [verb] at [adj] time | 22 |
|
| 2 | [prep] [noun] [verb] at [det] time | 17 |
|
| 3 | [prep] [noun] [verb] at that [noun] | 13 |
|
| 4 | [prep] [noun] [verb] at that [noun sg] | 13 |
|
| 5 | [prep] [noun] [verb] [prep] that time | 7 |
|
| 6 | [prep] [noun] [verb] at that time | 6 |
|
| 7 | [prep] [noun] [verb] at that time | 6 |
|
