| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [noun sg] [prep] [pron] | 61 |
|
| 2 | it is [prep] [pron] [to-vb] | 46 |
|
| 3 | is [noun sg] [prep] [pron] [to-vb] | 16 |
|
