| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] could be account for | 6 |
|
| 2 | [adj] could be accounted for | 6 |
|
| 3 | [adj] could be account for | 6 |
|
| 4 | this could be account for | 5 |
|
| 5 | this could be account for | 5 |
|
