| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] time when most [noun pl] | 8 |
|
| 2 | at [art] [noun sg] when most [noun pl] | 8 |
|
| 3 | at [art] time when most [noun pl] | 8 |
|
| 4 | at a [noun] when most [noun pl] | 7 |
|
