| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] for [art] | 2383 |
|
| 2 | [modal v] [vb infin] for [art] | 2313 |
|
| 3 | [modal v] account for [art] | 149 |
|
| 4 | [modal v] account [prep] [art] | 147 |
|
| 5 | [modal v] account for [art] | 145 |
|
