| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] a [noun sg] | 52603 |
|
| 2 | it [be] a [noun sg] | 17165 |
|
| 3 | [pron] it [be] a | 353 |
|
| 4 | [pron] it [be] [noun sg] | 148 |
|
