| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] a [adj] eye [prep] | 5 |
|
| 2 | should [vb infin] a [adj] eye on | 5 |
|
| 3 | should [vb infin] a [adj] eye [prep] | 5 |
|
| 4 | should [vb infin] a [adj] eye on | 5 |
|
