| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [to-vb] | 1163 |
|
| 2 | it is [num] | 1027 |
|
| 3 | is [to-vb] [num] | 264 |
|
| 4 | it [to-vb] [num] | 24 |
|
