| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb base] be [v-ing] [prep] | 491 |
|
| 2 | [noun pl] [vb base] be [v-ing] [prep] | 304 |
|
| 3 | [noun pl] [noun] be [v-ing] [prep] | 109 |
|
| 4 | [noun pl] [noun] [vb base] be [v-ing] | 39 |
|
