| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] a [noun] | 27903 |
|
| 2 | [verb] a period | 409 |
|
| 3 | [vb -s] [art] period | 116 |
|
| 4 | [vb -s] [art] period | 116 |
|
| 5 | [vb -s] a period | 63 |
|
