| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] [prep] [det] | 1615 |
|
| 2 | [pron] [be] [v-ing] [prep] [det] | 1610 |
|
| 3 | [pron] [be] [v-ing] at [adj] | 355 |
|
| 4 | [pron] [be] [verb] at [det] | 332 |
|
| 5 | [pron] [be] [v-ing] at [det] | 179 |
|
