| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [verb] [prep] [adj] | 212 |
|
| 2 | it has been [verb] [prep] [det] | 95 |
|
| 3 | [pron] has been [verb] [prep] several | 14 |
|
| 4 | it have been [verb] [prep] several | 10 |
|
| 5 | it [verb] been [verb] [prep] several | 10 |
|
| 6 | it [vb -s] been [verb] [prep] several | 9 |
|
| 7 | it has been [verb] [prep] several | 8 |
|
| 8 | it has [been] [verb] [prep] several | 8 |
|
| 9 | it has [be] [verb] [prep] several | 8 |
|
| 10 | it has be [verb] [prep] several | 8 |
|
| 11 | it has been [verb] [prep] several | 8 |
|
