| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] a [adj] [noun] | 19385 |
|
| 2 | [be] [v-ing] [prep] [art] [adj] [noun] | 5186 |
|
| 3 | [be] [v-ing] [prep] [art] [adj] [noun] | 5186 |
|
| 4 | [be] [v-ing] [prep] a [adj] [noun] | 2400 |
|
