| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] often a good [noun] | 12 |
|
| 2 | it [is] often a good [noun sg] | 12 |
|
| 3 | it [is] often a good idea | 10 |
|
| 4 | it [is] often a good idea | 10 |
|
