| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a long [noun] | 906 |
|
| 2 | [verb] [prep] a [adj] period | 465 |
|
| 3 | [verb] [prep] a [adj] period | 418 |
|
| 4 | [verb] [prep] a long period | 91 |
|
| 5 | [verb] [prep] [art] long period | 76 |
|
