| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] [prep] | 1701 |
|
| 2 | [verb] at a [noun sg] [prep] | 1689 |
|
| 3 | [verb] at [art] time [prep] | 555 |
|
| 4 | [verb] [prep] a time [prep] | 161 |
|
| 5 | [verb] [prep] a time [prep] | 161 |
|
| 6 | [verb] at a time [prep] | 64 |
|
| 7 | [verb] at a time [prep] | 64 |
|
| 8 | [verb] at a time [prep] | 64 |
|
