| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] | 113377 |
|
| 2 | [pron] a [noun sg] | 21494 |
|
| 3 | be [pron] [noun sg] | 19725 |
|
| 4 | be [pron] a | 2695 |
|
