| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] be a [noun] | 321 |
|
| 2 | [indef pn] [adv] be [art] [noun] | 39 |
|
| 3 | [indef pn] [adv] be a [noun] | 26 |
|
| 4 | [indef pn] [adv] [be] a [noun] | 25 |
|
