| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] a long [noun] | 256 |
|
| 2 | [verb] [adv] a long [noun sg] | 256 |
|
| 3 | [verb] [adv] a [adj] period | 78 |
|
| 4 | [verb] [adv] a long period | 31 |
|
| 5 | [verb] [adv] [art] long period | 31 |
|
