| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [prep] [art] [noun sg] | 1070 |
|
| 2 | [modal v] [vb infin] at [art] [noun sg] | 905 |
|
| 3 | should [vb infin] at [art] [noun] | 79 |
|
| 4 | should [verb] at [art] [noun sg] | 65 |
|
