| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [prep] [pron] | 718 |
|
| 2 | [vb infin] [prep] [pron] [num ord] | 140 |
|
| 3 | should [vb infin] [pron] [num ord] | 18 |
|
| 4 | should [vb infin] [prep] [num ord] | 8 |
|
