| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adv] short period of | 48 |
|
| 2 | [art] [adv] short period of | 44 |
|
| 3 | a [adv] short period of | 40 |
|
| 4 | [art] relatively short period of | 19 |
|
| 5 | [art] very short period of | 16 |
|
| 6 | the [adv] short period of | 5 |
|
