| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to be | 17707 |
|
| 2 | be [vb pp] to be | 12577 |
|
| 3 | be require to be | 134 |
|
| 4 | be required to [be] | 133 |
|
| 5 | [be] required to be | 133 |
|
| 6 | be required to be | 133 |
|
| 7 | be required to [be] | 133 |
|
| 8 | be required [prep] be | 133 |
|
