| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] account for [art] [adj] | 68 |
|
| 2 | [modal v] [not/n't] account for [art] | 24 |
|
| 3 | [not/n't] account for [art] [adj] | 20 |
|
| 4 | [modal v] [not/n't] account for [adj] | 17 |
|
