| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | still [verb] a | 1655 |
|
| 2 | still retain [art] | 86 |
|
| 3 | still retain [art] | 86 |
|
| 4 | [adv] retain a | 79 |
|
| 5 | still retain a | 43 |
|
