| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [det] [noun] | 916 |
|
| 2 | is [to-vb] [det] [noun] | 489 |
|
| 3 | it is [to-vb] [noun] | 141 |
|
| 4 | it [to-vb] [det] [noun] | 63 |
|
| 5 | it is [to-vb] [det] | 63 |
|
