| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] account for up to | 7 |
|
| 2 | [modal v] account for up to | 7 |
|
| 3 | account for up to [adj] | 6 |
|
| 4 | account for up to [num] | 6 |
|
