| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] a | 58803 |
|
| 2 | [verb] [prep] a period | 506 |
|
| 3 | be [prep] a period | 35 |
|
| 4 | be [verb] a period | 20 |
|
| 5 | be [verb] [prep] period | 10 |
|
