| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] [prep] [pron] | 1017 |
|
| 2 | [vb base] be [verb] [prep] [pron] | 868 |
|
| 3 | [vb base] [be] [v-ing] [prep] [pron] | 309 |
|
| 4 | [vb base] be [v-ing] [prep] [pron] | 309 |
|
