| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [verb] | 3607 |
|
| 2 | [pron] has been work | 59 |
|
| 3 | it have been work | 19 |
|
| 4 | it [verb] been work | 19 |
|
| 5 | it [vb -s] been work | 14 |
|
| 6 | it has be work | 12 |
|
| 7 | it has [been] work | 12 |
|
| 8 | it has [be] work | 12 |
|
