| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [verb] [conj] it | 77 |
|
| 2 | should [vb infin] [conj] it | 77 |
|
| 3 | should ensure [conj] [pron] | 43 |
|
| 4 | [modal v] ensure [conj] it | 30 |
|
| 5 | should ensure [conj] it | 7 |
|
