| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] keep a [noun] | 121 |
|
| 2 | [pron] [modal v] keep a [noun sg] | 118 |
|
| 3 | [pron] [modal v] [verb] a eye | 72 |
|
| 4 | [pron] [modal v] [vb infin] a eye | 70 |
|
| 5 | [pron] [modal v] keep a eye | 67 |
|
| 6 | [pron] [modal v] keep [art] eye | 65 |
|
| 7 | [pron] [modal v] keep a eye | 65 |
|
