| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] short period in | 15 |
|
| 2 | [art] short period in | 15 |
|
| 3 | a short period in | 13 |
|
| 4 | a short period in | 13 |
|
| 5 | [adv] short period in | 5 |
|
| 6 | [adv] short period in | 5 |
|
| 7 | short period in [noun] | 6 |
|
| 8 | short period in [adj] | 6 |
|
| 9 | short period in [art] | 5 |
|
| 10 | short period in [art] | 5 |
|
