| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun] often [verb] a [noun] | 10 |
|
| 2 | [det] [noun sg] often [verb] a [noun] | 6 |
|
| 3 | [det] often [verb] a [noun] [prep] | 5 |
|
| 4 | [det] often [verb] a [noun] [prep] | 5 |
|
