| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] had to be | 285 |
|
| 2 | [vb infin] [verb] to be | 255 |
|
| 3 | [vb infin] [vb pp] to be | 184 |
|
| 4 | [vb infin] have to be | 70 |
|
| 5 | [vb infin] had to be | 58 |
|
| 6 | [vb infin] had to [be] | 58 |
|
| 7 | [vb infin] had to [be] | 57 |
|
| 8 | [vb infin] had [prep] be | 57 |
|
