| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a short time | 397 |
|
| 2 | [vb pp] [prep] a time | 233 |
|
| 3 | [vb pp] [prep] a short | 214 |
|
| 4 | [vb pp] a short time | 8 |
|
| 5 | [vb pp] [prep] short time | 7 |
|
