| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] has [been] | 14413 |
|
| 2 | it [verb] [been] | 11714 |
|
| 3 | it have [been] | 11705 |
|
| 4 | it [vb -s] [been] | 7295 |
|
| 5 | it has [be] | 5240 |
|
