| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [is] [adv] [verb] | 3377 |
|
| 2 | [noun prp] [is] [adv] [verb] | 2781 |
|
| 3 | [noun] [is] often [verb] | 956 |
|
| 4 | [noun prp] [be] often [verb] | 90 |
|
| 5 | [noun prp] [is] often [verb] | 47 |
|
