| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [verb] [prep] a period | 18 |
|
| 2 | and [verb] [prep] a period | 14 |
|
| 3 | [coord] [verb] for a period | 6 |
|
| 4 | [coord] [verb] for a period | 6 |
|
| 5 | [coord] [vb pp] [prep] a period | 5 |
|
