| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [prep] a time | 570 |
|
| 2 | [prep] a short time | 376 |
|
| 3 | [noun pl] [prep] a short | 110 |
|
| 4 | [noun pl] a short time | 8 |
|
