| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [be] [vb pp] | 4125 |
|
| 2 | it [be] [vb pp] at | 550 |
|
| 3 | [vb -s] [be] [vb pp] at | 481 |
|
| 4 | it [vb -s] [vb pp] at | 59 |
|
| 5 | it [vb -s] [be] at | 15 |
|
