| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | appear [to-vb] be [verb] | 375 |
|
| 2 | [verb] [to-vb] be [v-ing] | 174 |
|
| 3 | appear [to-vb] [be] [v-ing] | 18 |
|
| 4 | appear [verb] be [v-ing] | 18 |
|
