| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [pron] [verb] | 3051 |
|
| 2 | [modal v] [pron] have | 3047 |
|
| 3 | should [pron] [vb infin] | 3015 |
|
| 4 | should [pron] have | 231 |
|
