| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have ceased to be a | 44 |
|
| 2 | have ceased to [be] a | 33 |
|
| 3 | had ceased to [be] a | 26 |
|
| 4 | has ceased to [be] a | 15 |
|
| 5 | have ceased to [be] an | 11 |
|
