| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [be] | 4472 |
|
| 2 | [vb past] [be] under | 144 |
|
| 3 | it [be] under | 134 |
|
| 4 | it [vb past] under | 65 |
|
