| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a good [noun] | 1370 |
|
| 2 | it [be] a [adj] idea | 522 |
|
| 3 | [pron] [be] a good idea | 394 |
|
| 4 | [pers pn] [be] a good idea | 389 |
|
| 5 | it [be] a good idea | 386 |
|
| 6 | it [be] [art] good idea | 386 |
|
