| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] a [noun] | 16233 |
|
| 2 | [be] [v-ing] a [noun] | 8911 |
|
| 3 | [be] doing [art] [noun] | 718 |
|
| 4 | [be] do a [noun] | 398 |
|
