| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb -s] yet to be | 20 |
|
| 2 | [pers pn] [vb -s] yet to [be] | 20 |
|
| 3 | [pers pn] has yet to [be] | 20 |
|
| 4 | it [vb -s] yet to [be] | 18 |
|
