| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [det] [noun] | 2033 |
|
| 2 | [vb mod] be [adj] doubt | 171 |
|
| 3 | [vb mod] [be] [det] doubt | 166 |
|
| 4 | [modal v] be [det] doubt | 166 |
|
