| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [verb] a [noun] | 2638 |
|
| 2 | often [verb] a [noun] | 323 |
|
| 3 | [det] often [verb] [noun] | 15 |
|
| 4 | [det] often [verb] a | 14 |
|
