| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] keep an eye [prep] | 43 |
|
| 2 | [pers pn] keep an eye [prep] | 33 |
|
| 3 | he [verb] an eye [prep] | 18 |
|
| 4 | he keep an eye [prep] | 6 |
|
| 5 | he keep an [noun sg] [prep] | 5 |
|
| 6 | he keep a eye [prep] | 5 |
|
| 7 | he keep an eye [prep] | 5 |
|
| 8 | he keep [art] eye [prep] | 5 |
|
| 9 | he keep an [noun] [prep] | 5 |
|
| 10 | he keep [art] eye [prep] | 5 |
|
