| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] long period | 426 |
|
| 2 | [to-vb] [prep] [art] long | 111 |
|
| 3 | [to-vb] [prep] [art] period | 49 |
|
| 4 | [to-vb] [prep] long period | 18 |
|
| 5 | [to-vb] [art] long period | 6 |
|
