| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not account for [art] | 24 |
|
| 2 | [vb mod] not account for [art] | 24 |
|
| 3 | [modal v] not account for [art] | 24 |
|
| 4 | [modal v] not account for the | 23 |
|
| 5 | can not account for [art] | 14 |
|
| 6 | can not account for [art] | 14 |
|
| 7 | could not account for [art] | 6 |
|
| 8 | could not account for [art] | 6 |
|
