| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj] period | 5001 |
|
| 2 | [prep] [art] [adj] to | 1333 |
|
| 3 | [prep] [art] period to | 55 |
|
| 4 | [art] [adj] period to | 51 |
|
| 5 | [prep] [adj] period to | 9 |
|
