| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] a watchful eye on | 5 |
|
| 2 | [to-vb] a watchful eye on | 5 |
|
| 3 | [to-vb] a watchful [noun sg] on | 5 |
|
| 4 | to keep a watchful [noun] on | 5 |
|
