| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [modal v] [vb infin] a | 2808 |
|
| 2 | [vb past] we [modal v] [vb infin] | 605 |
|
| 3 | [vb past] [modal v] [vb infin] a | 29 |
|
| 4 | [vb past] we [vb infin] a | 24 |
|
