| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [be] [v-ing] [prep] [art] [adj] | 376 |
|
| 2 | [pron] [be] [v-ing] at [art] [adj] | 229 |
|
| 3 | i [be] [verb] at [art] [adj] | 47 |
|
| 4 | i [be] [v-ing] at [art] [adj] | 40 |
|
