| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [verb] [prep] [adj] | 255 |
|
| 2 | [be] [v-ing] [verb] at [adj] | 46 |
|
| 3 | [am/are] [verb] [verb] at [adj] | 35 |
|
