| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] keeping a [adj] eye on | 16 |
|
| 2 | be [v-ing] a [adj] eye on | 16 |
|
| 3 | [be] [v-ing] a [adj] eye on | 16 |
|
| 4 | [am/are] [v-ing] a [adj] eye on | 7 |
|
| 5 | [be] [v-ing] a close eye on | 7 |
|
| 6 | [be] [v-ing] a close eye on | 7 |
|
| 7 | are [v-ing] a [adj] eye on | 6 |
|
