| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] keep an eye [prep] | 60 |
|
| 2 | [pers pn] [modal v] keep an eye [prep] | 56 |
|
| 3 | i [modal v] keep [art] eye [prep] | 20 |
|
| 4 | i [modal v] keep an [noun] [prep] | 20 |
|
| 5 | i [modal v] keep an [noun sg] [prep] | 20 |
|
| 6 | i [modal v] keep a eye [prep] | 20 |
|
| 7 | i [modal v] keep an eye [prep] | 20 |
|
| 8 | i [modal v] keep an eye [prep] | 20 |
|
| 9 | i [modal v] [vb infin] an eye [prep] | 20 |
|
| 10 | i [modal v] keep [art] eye [prep] | 20 |
|
| 11 | i [modal v] [verb] an eye [prep] | 20 |
|
| 12 | i [modal v] keep an eye [prep] | 20 |
|
