| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [be] [v-ing] | 4413 |
|
| 2 | [pron] [be] [v-ing] at | 2980 |
|
| 3 | [pron] [vb past] [be] at | 274 |
|
| 4 | [pron] [vb past] [v-ing] at | 250 |
|
| 5 | [vb past] [be] [v-ing] at | 180 |
|
