| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had to [be] [vb pp] | 3664 |
|
| 2 | to [be] [vb pp] [adj] | 1102 |
|
| 3 | had [be] [vb pp] [adj] | 621 |
|
| 4 | had to [be] [adj] | 559 |
|
