| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] | 11714 |
|
| 2 | it have [been] | 11705 |
|
| 3 | it [vb -s] [been] | 7295 |
|
| 4 | [pron] 's [been] | 5226 |
|
| 5 | it 's [be] | 2059 |
|
