| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [pron] at [art] time | 77 |
|
| 2 | [verb] [prep] [pron] at [art] time | 77 |
|
| 3 | [verb] [prep] [pron] at a [noun] | 38 |
|
| 4 | [verb] [prep] [pron] at a [noun sg] | 35 |
|
| 5 | [verb] [prep] [pron] [prep] a time | 14 |
|
| 6 | [verb] [prep] [pron] at a time | 8 |
|
| 7 | [verb] [prep] [pron] at a time | 8 |
|
