| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [adj] period | 2992 |
|
| 2 | [prep] the [adj] to | 1066 |
|
| 3 | [prep] the period to | 53 |
|
| 4 | the [adj] period to | 35 |
|
| 5 | [prep] [adj] period to | 9 |
|
