| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [verb] [conj] [noun] | 568 |
|
| 2 | be often [verb] [conj] [noun] | 83 |
|
| 3 | [be] often [verb] [conj] [noun] | 83 |
|
| 4 | [is] often [verb] [conj] [noun] | 55 |
|
