| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] to [be] | 1184 |
|
| 2 | [be] to [be] a | 642 |
|
| 3 | it to [be] a | 163 |
|
| 4 | it [be] to a | 38 |
|
| 5 | it [be] [be] a | 20 |
|
