| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] be [v-ing] [prep] | 853 |
|
| 2 | [verb] [Wh pn] be [v-ing] [prep] | 51 |
|
| 3 | [vb base] [Wh pn] be [v-ing] [prep] | 21 |
|
| 4 | [vb base] [Wh pn] be [verb] [prep] | 16 |
|
| 5 | [vb base] [Wh pn] [be] [v-ing] [prep] | 9 |
|
