| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] a brief period [prep] | 6 |
|
| 2 | [adv] [prep] a brief period [prep] | 6 |
|
| 3 | [verb] [prep] a brief period [prep] | 5 |
|
| 4 | [subord] [prep] a brief period [prep] | 5 |
|
| 5 | [adv] [prep] a brief period [prep] | 5 |
|
| 6 | [prep] a brief period [prep] [noun] | 19 |
|
| 7 | [prep] a brief period [prep] [noun sg] | 12 |
|
| 8 | [prep] a brief period [prep] [art] | 10 |
|
| 9 | [prep] a brief period [prep] [art] | 10 |
|
| 10 | [prep] a brief period [prep] the | 9 |
|
| 11 | [prep] a brief period [prep] the | 9 |
|
| 12 | [prep] a brief period [prep] [noun prp] | 7 |
|
