| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] a [noun] [prep] | 2231 |
|
| 2 | when [verb] a [noun] [prep] | 133 |
|
| 3 | when it [verb] [noun] [prep] | 66 |
|
| 4 | when it [verb] a [noun] | 55 |
|
