| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [art] period [prep] | 223 |
|
| 2 | [adv] [art] period [prep] | 162 |
|
| 3 | [adv] of [art] period | 11 |
|
| 4 | [adv] of [art] [prep] | 8 |
|
