| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] [vb pp] [det] [noun] | 319 |
|
| 2 | had to [be] [det] [noun] | 30 |
|
| 3 | had to [be] [vb pp] [noun] | 23 |
|
| 4 | had to [be] [vb pp] [det] | 19 |
|
