| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [noun pl] of | 1401 |
|
| 2 | should [vb infin] [noun pl] [prep] | 328 |
|
| 3 | should [vb infin] [noun] of | 231 |
|
| 4 | should [verb] [noun pl] of | 74 |
|
