| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [verb] [noun] | 1821 |
|
| 2 | [is] [adv] [verb] [noun] | 1470 |
|
| 3 | [be] often [verb] [noun] | 65 |
|
| 4 | [is] often [verb] [noun] | 24 |
|
