| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [adv] on [art] [noun] | 347 |
|
| 2 | should [vb infin] [adv] [prep] [art] [noun] | 237 |
|
| 3 | should [verb] [adv] on [art] [noun] | 17 |
|
