| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to keep [prep] the same | 7 |
|
| 2 | to keep [prep] [art] same | 7 |
|
| 3 | to keep [prep] [art] same | 7 |
|
| 4 | to keep [prep] the same | 7 |
|
