| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a check [prep] | 42 |
|
| 2 | keep a check [prep] | 42 |
|
| 3 | keep [art] check [prep] | 42 |
|
| 4 | keep [art] check [prep] | 42 |
|
| 5 | keep in check [prep] | 11 |
|
| 6 | keep [prep] check [prep] | 11 |
|
| 7 | keep [prep] check [prep] | 11 |
|
| 8 | keep in check [prep] | 11 |
|
