| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to be a | 1973 |
|
| 2 | [modal v] be [verb] to be | 1088 |
|
| 3 | [modal v] be [verb] to a | 915 |
|
| 4 | [modal v] [verb] to be a | 630 |
|
