| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] a [adj] | 2110 |
|
| 2 | [Wh pn] [be] [v-ing] [art] [adj] | 271 |
|
| 3 | [Wh pn] [be] [v-ing] [art] [adj] | 271 |
|
| 4 | [Wh pn] [be] [verb] a [adj] | 166 |
|
| 5 | [Wh pn] [be] [v-ing] a [adj] | 144 |
|
