| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had to [be] [verb] | 3704 |
|
| 2 | to [be] [verb] a | 907 |
|
| 3 | had [be] [verb] a | 570 |
|
| 4 | had to [be] a | 147 |
|
