| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have yet to [be] | 464 |
|
| 2 | have yet to be | 464 |
|
| 3 | has yet to [be] | 242 |
|
| 4 | have yet to [be] | 159 |
|
| 5 | had yet to [be] | 60 |
|
