| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be [prep] [noun] | 932 |
|
| 2 | be doing [prep] [noun] | 192 |
|
| 3 | [vb base] be doing [prep] | 58 |
|
| 4 | [vb base] be doing [noun] | 27 |
|
