| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we should [vb infin] [prep] [verb] | 27 |
|
| 2 | we [modal v] [vb infin] of [verb] | 20 |
|
| 3 | [pron] should [vb infin] of [verb] | 16 |
|
| 4 | we should [verb] of [verb] | 8 |
|
