| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] keep it [art] | 10 |
|
| 2 | [vb base] to keep it [art] | 9 |
|
| 3 | [vb base] keep it a | 8 |
|
| 4 | [vb base] keep it a | 7 |
|
