| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] [prep] | 41273 |
|
| 2 | [pos pn] [pron] [be] [v-ing] | 14 |
|
| 3 | [pos pn] [be] [v-ing] [prep] | 8 |
|
| 4 | [pos pn] [pron] [be] [prep] | 6 |
|
