| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a long [noun] | 2982 |
|
| 2 | [verb] a [adj] period | 247 |
|
| 3 | [verb] [art] long period | 43 |
|
| 4 | [verb] [art] long period | 43 |
|
| 5 | [verb] a long period | 34 |
|
