| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] often [vb -s] [prep] [noun] | 17 |
|
| 2 | this often [verb] [prep] [noun] | 13 |
|
| 3 | [det] often [verb] [prep] [noun sg] | 11 |
|
| 4 | [det] often happen [prep] [noun] | 7 |
|
| 5 | [det] often happens [prep] [noun] | 7 |
|
| 6 | [det] often [verb] in [noun] | 5 |
|
| 7 | [det] often [verb] to [noun] | 5 |
|
| 8 | [det] often [verb] with [noun] | 5 |
|
