| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [conj] a [noun sg] | 1458 |
|
| 2 | it be [vb pp] [conj] a | 598 |
|
| 3 | it be [vb pp] [conj] [noun sg] | 254 |
|
| 4 | it be [vb pp] a [noun sg] | 172 |
|
| 5 | it be [conj] a [noun sg] | 52 |
|
