| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] [verb] a [adj] period | 17 |
|
| 2 | [art] [noun sg] [verb] a [adj] period | 16 |
|
| 3 | [art] [noun] [verb] a [adj] period | 16 |
|
| 4 | the [noun] [verb] a [adj] period | 14 |
|
| 5 | [art] [noun] [vb -s] a [adj] period | 8 |
|
| 6 | [art] [noun] [vb past] a [adj] period | 5 |
|
