| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [verb] be [v-ing] [prep] | 619 |
|
| 2 | [noun prp] [verb] be [verb] in | 457 |
|
| 3 | [noun] [verb] be [v-ing] in | 238 |
|
| 4 | [noun prp] [verb] [be] [v-ing] in | 69 |
|
