| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] should [verb] | 21115 |
|
| 2 | [pron] should [vb infin] | 21088 |
|
| 3 | [pron] [modal v] keep | 1809 |
|
| 4 | [pron] [vb mod] keep | 1809 |
|
| 5 | [pron] should keep | 131 |
|
| 6 | [pron] should keep | 131 |
|
