| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at a time | 73 |
|
| 2 | or at a [noun] | 62 |
|
| 3 | or at a [noun sg] | 60 |
|
| 4 | or at [art] time | 20 |
|
| 5 | or [prep] a time | 8 |
|
| 6 | or [prep] a time | 8 |
|
| 7 | or at a time | 5 |
|
| 8 | or at a time | 5 |
|
