| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] to be [vb pp] | 3296 |
|
| 2 | be [verb] to be [vb pp] | 3061 |
|
| 3 | [modal v] be [verb] to be | 1088 |
|
| 4 | [modal v] be to be [vb pp] | 7 |
|
