| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [noun] [noun sg] | 12852 |
|
| 2 | [be] [v-ing] a [noun] | 8911 |
|
| 3 | [be] [v-ing] a [noun sg] | 8500 |
|
| 4 | [v-ing] a [noun] [noun sg] | 7598 |
|
| 5 | [be] [v-ing] [noun] [noun sg] | 961 |
|
