| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [verb] a [adj] | 935 |
|
| 2 | [verb] be [v-ing] [art] [adj] | 528 |
|
| 3 | [verb] be [v-ing] a [adj] | 380 |
|
| 4 | [verb] [be] [v-ing] a [adj] | 342 |
|
