| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [verb] a [adj] | 349 |
|
| 2 | [prep] [be] [v-ing] [art] [adj] | 278 |
|
| 3 | [prep] [be] [v-ing] [art] [adj] | 278 |
|
| 4 | [prep] [be] [v-ing] a [adj] | 185 |
|
| 5 | [prep] [be] [v-ing] a [adj] | 182 |
|
