| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [noun sg] [prep] a [noun] | 704 |
|
| 2 | should [vb infin] [prep] a [noun] | 243 |
|
| 3 | should [vb infin] [noun sg] [prep] [noun] | 154 |
|
| 4 | should [vb infin] [noun sg] [prep] a | 47 |
|
