| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] for the | 1273 |
|
| 2 | [modal v] account for the | 123 |
|
| 3 | [verb] account for the | 119 |
|
| 4 | [modal v] [verb] account for | 33 |
|
