| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] | 113377 |
|
| 2 | [vb pp] a [noun sg] | 32940 |
|
| 3 | be [vb pp] a | 7885 |
|
| 4 | be [vb pp] [noun sg] | 7193 |
|
