| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [art] | 31336 |
|
| 2 | [vb mod] be [art] | 31336 |
|
| 3 | [vb mod] be a | 18652 |
|
| 4 | [vb mod] [be] an | 2801 |
|
| 5 | [modal v] be an | 2801 |
|
