| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [to-vb] a [noun sg] | 2204 |
|
| 2 | [to-vb] [pron] a [noun sg] | 1950 |
|
| 3 | be [pron] a [noun sg] | 1824 |
|
| 4 | be [to-vb] [pron] [noun sg] | 1018 |
|
| 5 | be [to-vb] [pron] a | 103 |
|
