| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] for the | 1231 |
|
| 2 | [modal v] account for the | 123 |
|
| 3 | [modal v] [vb infin] account for | 33 |
|
| 4 | [vb infin] account for the | 19 |
|
