| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [prep] a [noun sg] | 230 |
|
| 2 | [vb infin] [prep] a [num ord] [noun sg] | 47 |
|
| 3 | should [vb infin] a [num ord] [noun sg] | 10 |
|
| 4 | should [vb infin] [prep] [num ord] [noun sg] | 6 |
|
| 5 | should [vb infin] [prep] a [num ord] | 5 |
|
