| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] a [noun] | 2506 |
|
| 2 | [vb -s] at a [noun] | 226 |
|
| 3 | it [vb -s] at [noun] | 75 |
|
| 4 | it at a [noun] | 70 |
|
| 5 | it [vb -s] at a | 37 |
|
