| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a short period | 202 |
|
| 2 | [prep] a short period | 178 |
|
| 3 | for a short period | 117 |
|
| 4 | for a short period | 117 |
|
| 5 | [prep] a shorter period | 24 |
|
| 6 | after a short period | 22 |
|
| 7 | after a short period | 22 |
|
| 8 | within a short period | 19 |
|
| 9 | within a short period | 19 |
|
| 10 | over a short period | 18 |
|
| 11 | over a short period | 18 |
|
| 12 | in a short period | 14 |
|
| 13 | in a short period | 14 |
|
