| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] keep a watchful eye [prep] | 8 |
|
| 2 | [noun sg] keep a watchful eye [prep] | 6 |
|
| 3 | keep a watchful eye [prep] [pron] | 9 |
|
| 4 | keep a watchful eye [prep] [art] | 9 |
|
| 5 | keep a watchful eye [prep] [art] | 9 |
|
| 6 | keep a watchful eye [prep] the | 8 |
|
| 7 | keep a watchful eye [prep] the | 8 |
|
| 8 | keep a watchful eye [prep] [pers pn] | 6 |
|
| 9 | keep a watchful eye [prep] [noun] | 5 |
|
| 10 | keep a watchful eye [prep] [adj] | 5 |
|
