| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [verb] to | 1848 |
|
| 2 | [vb mod] [be] return to | 204 |
|
| 3 | [modal v] [be] return to | 204 |
|
| 4 | should [be] return [prep] | 56 |
|
| 5 | should [be] return [prep] | 56 |
|
| 6 | should [be] return to | 46 |
|
| 7 | should [be] return to | 46 |
|
