| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun] | 116941 |
|
| 2 | [adv] a [noun] | 42311 |
|
| 3 | be [adv] a | 26046 |
|
| 4 | be [adv] [noun] | 12815 |
|
