| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] is [adj] | 165 |
|
| 2 | [be] [v-ing] be true | 8 |
|
| 3 | [be] [v-ing] [be] true | 8 |
|
| 4 | [be] [v-ing] [is] true | 6 |
|
| 5 | [be] [verb] is true | 6 |
|
