| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] has [adv] [been] [verb] for | 5 |
|
| 2 | [n mass] [vb -s] [adv] been [verb] for | 5 |
|
| 3 | [n mass] [vb -s] [adv] [been] [vb pp] for | 5 |
|
