| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | still [prep] be do [prep] | 5 |
|
| 2 | still to be do [prep] | 5 |
|
| 3 | still [prep] be do [prep] | 5 |
|
| 4 | still to be do [prep] | 5 |
|
