| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] | 113377 |
|
| 2 | [subord] a [noun sg] | 23568 |
|
| 3 | be [subord] [noun sg] | 287 |
|
| 4 | be [subord] a | 165 |
|
