| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a period [prep] | 93 |
|
| 2 | [adv] [adv] a period [prep] | 12 |
|
| 3 | [adv] [adv] [prep] a period | 6 |
|
| 4 | [adv] [adv] [prep] a [prep] | 5 |
|
