| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [adv] [been] | 2100 |
|
| 2 | it [verb] [adv] [det] | 580 |
|
| 3 | [verb] [adv] [been] [det] | 270 |
|
| 4 | it [verb] [been] [det] | 111 |
|
