| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [be] [v-ing] [prep] | 1072 |
|
| 2 | [vb past] [pron] [be] [v-ing] [prep] | 827 |
|
| 3 | [verb] [pron] [be] [v-ing] at | 187 |
|
| 4 | [vb past] [pron] [be] [verb] at | 86 |
|
| 5 | [vb past] [pron] [be] [v-ing] at | 72 |
|
