| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [adj] time | 509 |
|
| 2 | [adv] a short [noun] | 437 |
|
| 3 | [adv] a short [noun sg] | 437 |
|
| 4 | [adv] a short time | 98 |
|
| 5 | [adv] [art] short time | 98 |
|
