| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] account for the | 17 |
|
| 2 | [modal v] [vb infin] account for the | 17 |
|
| 3 | [modal v] have account for the | 12 |
|
| 4 | [modal v] have account for the | 12 |
|
| 5 | [modal v] [verb] accounted for the | 8 |
|
| 6 | may [verb] account for the | 7 |
|
| 7 | may [verb] account for the | 7 |
|
| 8 | [modal v] [verb] to account for the | 7 |
|
