| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [noun] | 116970 |
|
| 2 | [be] [adv] [noun] | 19295 |
|
| 3 | [be] a [adv] | 15832 |
|
| 4 | a [adv] [noun] | 718 |
|
