| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [prep] [art] | 1972 |
|
| 2 | [vb infin] [prep] [art] [num ord] | 1051 |
|
| 3 | should [vb infin] [art] [num ord] | 51 |
|
| 4 | should [vb infin] [prep] [num ord] | 8 |
|
| 5 | should [prep] [art] [num ord] | 6 |
|
