| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye on | 471 |
|
| 2 | to keep an [noun sg] on | 140 |
|
| 3 | keep an [noun sg] on | 102 |
|
| 4 | keeping an [noun sg] on | 98 |
|
| 5 | keep an [noun sg] on | 86 |
|
| 6 | kept an [noun sg] on | 28 |
|
| 7 | keeps an [noun sg] on | 16 |
|
| 8 | kept an [noun sg] on | 6 |
|
