| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [noun] [prep] a | 65 |
|
| 2 | should [vb infin] [noun] [prep] a | 65 |
|
| 3 | [modal v] [vb infin] [noun] at a | 48 |
|
| 4 | should [vb infin] [noun] at [art] | 19 |
|
| 5 | should [vb infin] [noun] at [art] | 19 |
|
| 6 | should [vb infin] [noun] at a | 8 |
|
| 7 | should [verb] [noun] at a | 6 |
|
| 8 | should [vb infin] [noun] at a | 6 |
|
