| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb base] [been] [v-ing] [prep] | 1314 |
|
| 2 | [pers pn] [verb] [been] [v-ing] at | 206 |
|
| 3 | [pers pn] [vb base] [been] [verb] at | 128 |
|
| 4 | [pers pn] [vb base] [be] [v-ing] at | 107 |
|
| 5 | [pron] [vb base] [been] [v-ing] at | 105 |
|
