| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a shorter time | 21 |
|
| 2 | [prep] [art] shorter time | 21 |
|
| 3 | [prep] a shorter time | 21 |
|
| 4 | [prep] [art] shorter time | 21 |
|
| 5 | [prep] [art] shorter time | 21 |
|
| 6 | in [art] shorter time | 11 |
|
| 7 | in [art] shorter time | 11 |
|
| 8 | for [art] shorter time | 7 |
|
| 9 | for [art] shorter time | 7 |
|
