| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun] [verb] at a [noun] | 49 |
|
| 2 | of [noun] [verb] at a [noun sg] | 46 |
|
| 3 | of [noun] [verb] at [art] time | 18 |
|
| 4 | [prep] [noun] [verb] at a time | 16 |
|
| 5 | [prep] [noun] [verb] at a time | 16 |
|
| 6 | of [noun] [verb] [prep] a time | 8 |
|
| 7 | of [noun] [verb] [prep] a time | 8 |
|
| 8 | of [noun] [verb] at a time | 7 |
|
| 9 | of [noun] [verb] at a time | 7 |
|
| 10 | of [noun] [verb] at a time | 7 |
|
