| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] account for [art] | 6 |
|
| 2 | it [modal v] account for [art] | 6 |
|
| 3 | it [vb mod] account for [art] | 6 |
|
| 4 | it [modal v] account for [art] | 6 |
|
| 5 | it [modal v] account for the | 6 |
|
