| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [prep] [art] [num] | 20 |
|
| 2 | should [verb] [prep] the [num] | 14 |
|
| 3 | should [verb] [prep] a [num] | 5 |
|
| 4 | should [verb] to [art] [num] | 5 |
|
