| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye [adv prt] [prep] [art] | 9 |
|
| 2 | keep an [noun sg] out [prep] [art] | 8 |
|
| 3 | keep an [noun sg] [adv prt] for [art] | 8 |
|
| 4 | keep an [noun sg] [adv prt] [prep] the | 6 |
|
| 5 | keeping an [noun sg] [adv prt] [prep] [art] | 5 |
|
