| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had to be | 5409 |
|
| 2 | had [prep] be | 5406 |
|
| 3 | had of be | 11 |
|
| 4 | had [prep] been | 8 |
|
| 5 | had [prep] being | 7 |
|
