| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [art] long period | 74 |
|
| 2 | [vb -s] [verb] [prep] [art] long | 27 |
|
| 3 | [vb -s] [verb] [prep] [art] period | 22 |
|
