| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | most [prep] it has been | 7 |
|
| 2 | most [prep] it has [be] | 7 |
|
| 3 | most [prep] it has be | 7 |
|
| 4 | most [prep] it has [been] | 7 |
|
