| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adv] short period [prep] | 59 |
|
| 2 | [art] [adv] short period [prep] | 59 |
|
| 3 | a [adv] short period [prep] | 52 |
|
| 4 | an [adv] [adj] period [prep] | 16 |
|
| 5 | an [adv] short [noun] [prep] | 10 |
|
| 6 | an [adv] short [noun sg] [prep] | 10 |
|
| 7 | an [adv] short period [prep] | 5 |
|
