| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have still [prep] be | 109 |
|
| 2 | have still to be | 109 |
|
| 3 | has still [prep] be | 49 |
|
| 4 | have still [prep] be | 30 |
|
| 5 | had still [prep] be | 30 |
|
