| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be a [noun sg] | 19339 |
|
| 2 | it be [det] [noun sg] | 2342 |
|
| 3 | be [det] a [noun sg] | 1833 |
|
| 4 | it be [det] a | 778 |
|
| 5 | it [det] a [noun sg] | 45 |
|
