| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] has [been] [verb] for | 23 |
|
| 2 | [n mass] has been [verb] for | 23 |
|
| 3 | [n mass] has be [verb] for | 23 |
|
| 4 | [n mass] has [be] [vb pp] for | 23 |
|
