| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after a [adj] period | 121 |
|
| 2 | after a brief [noun] | 107 |
|
| 3 | after a brief [noun sg] | 107 |
|
| 4 | [prep] a brief period | 60 |
|
| 5 | [prep] a brief period | 60 |
|
| 6 | after [art] brief period | 9 |
|
| 7 | after a brief period | 9 |
|
| 8 | after [art] brief period | 9 |
|
| 9 | after a brief period | 9 |
|
| 10 | after a brief period | 9 |
|
