| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be a | 8485 |
|
| 2 | [is] [verb] to be | 6208 |
|
| 3 | [is] [verb] to a | 917 |
|
| 4 | [is] to be a | 242 |
|
| 5 | [is] [verb] be a | 180 |
|
