| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [pron] [prep] | 3795 |
|
| 2 | [be] [v-ing] [prep] an | 999 |
|
| 3 | [v-ing] [pron] [prep] an | 413 |
|
| 4 | [be] [pron] [prep] an | 158 |
|
| 5 | [be] [v-ing] [pron] an | 34 |
|
