| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only [prep] a [adj] time | 24 |
|
| 2 | only [prep] a [adj] time | 24 |
|
| 3 | only [prep] a short time | 16 |
|
| 4 | only [prep] a short time | 16 |
|
