| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because it has [been] [vb pp] | 37 |
|
| 2 | because it has been [vb pp] | 37 |
|
| 3 | because it has be [vb pp] | 37 |
|
| 4 | because it has [be] [vb pp] | 37 |
|
