| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [vb pp] [art] | 6456 |
|
| 2 | [modal v] [verb] at [art] | 1574 |
|
| 3 | [verb] [vb pp] at [art] | 1513 |
|
| 4 | [modal v] [verb] [vb pp] at | 397 |
|
