| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [verb] a [noun] | 1350 |
|
| 2 | [is] [v-ing] [verb] [art] [noun] | 839 |
|
| 3 | [is] [v-ing] [verb] [art] [noun] | 839 |
|
| 4 | [is] [verb] [verb] a [noun] | 809 |
|
| 5 | [is] [v-ing] [verb] a [noun] | 331 |
|
