| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we should [vb infin] [vb pp] | 240 |
|
| 2 | should [vb infin] [vb pp] of | 48 |
|
| 3 | we should [vb infin] of | 21 |
|
| 4 | we [vb infin] [vb pp] of | 7 |
|
