| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [vb infin] account for the | 8 |
|
| 2 | [modal v] [vb infin] account for the [noun] | 13 |
|
| 3 | [modal v] [vb infin] account for the [noun sg] | 11 |
|
