| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] to [be] | 1124 |
|
| 2 | [adv] [vb past] to [be] | 1082 |
|
| 3 | it [adv] [vb past] to | 387 |
|
| 4 | it [adv] to [be] | 32 |
|
