| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] an [adj] | 14695 |
|
| 2 | [verb] [prep] [adj] period | 376 |
|
| 3 | [prep] an [adj] period | 205 |
|
| 4 | [verb] an [adj] period | 23 |
|
