| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [verb] [prep] [det] [noun] | 1651 |
|
| 2 | [prep] be [v-ing] [prep] [adj] [noun] | 185 |
|
| 3 | [prep] be [v-ing] [prep] [det] [noun] | 74 |
|
| 4 | [prep] [be] [v-ing] [prep] [det] [noun] | 71 |
|
