| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] to | 791 |
|
| 2 | is [vb pp] to [pron] | 553 |
|
| 3 | it is [vb pp] [pron] | 170 |
|
| 4 | it is to [pron] | 76 |
|
| 5 | it [vb pp] to [pron] | 50 |
|
