| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj] period of | 907 |
|
| 2 | [prep] [art] brief [noun] of | 181 |
|
| 3 | [prep] [art] brief [noun sg] of | 173 |
|
| 4 | [prep] [art] brief period [prep] | 39 |
|
| 5 | [prep] [art] brief period [prep] | 39 |
|
| 6 | [prep] [art] brief period of | 17 |
|
| 7 | [prep] [art] brief period of | 16 |
|
| 8 | [prep] [art] brief period of | 16 |
|
