| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] be [noun] [noun] | 454 |
|
| 2 | [v-ing] [prep] be [noun] [noun] | 59 |
|
| 3 | [v-ing] [prep] [be] [noun] [noun] | 49 |
|
