| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [modal v] be [verb] | 57200 |
|
| 2 | [noun] [modal v] be [v-ing] | 4839 |
|
| 3 | [noun sg] [modal v] [be] [v-ing] | 2167 |
|
