| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] [art] [adj] | 9546 |
|
| 2 | [verb] [prep] [art] [adj] period | 731 |
|
| 3 | is [verb] [prep] [art] period | 50 |
|
| 4 | is [prep] [art] [adj] period | 15 |
|
