| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [det] [noun] | 1988 |
|
| 2 | when it [verb] [noun] | 190 |
|
| 3 | when [verb] [det] [noun] | 146 |
|
| 4 | when it [verb] [det] | 37 |
|
