| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [num ord] minute | 14 |
|
| 2 | [prep] an [num ord] minute | 14 |
|
| 3 | an [num ord] minute [noun] | 16 |
|
| 4 | an [num ord] minute [noun sg] | 16 |
|
