| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have had to be a | 7 |
|
| 2 | have had to be a | 7 |
|
| 3 | have had [prep] be a | 7 |
|
| 4 | have had [prep] be a | 6 |
|
| 5 | have had [prep] be a | 5 |
|
