| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] for [art] | 2313 |
|
| 2 | [modal v] account for [art] | 149 |
|
| 3 | [modal v] [vb infin] account for | 33 |
|
| 4 | [vb infin] account for [art] | 20 |
|
