| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] a [adj] | 5278 |
|
| 2 | 's [be] a [adj] | 357 |
|
| 3 | 's [be] [v-ing] [adj] | 89 |
|
| 4 | 's [be] [v-ing] a | 35 |
|
