| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [vb infin] [prep] [art] | 1227 |
|
| 2 | [conj] [modal v] [vb infin] [prep] [art] | 1227 |
|
| 3 | [conj] [modal v] [verb] at [art] | 55 |
|
| 4 | [conj] [modal v] [vb infin] at [art] | 54 |
|
