| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be [v-ing] [prep] | 18386 |
|
| 2 | a [noun] [v-ing] [prep] | 4257 |
|
| 3 | a [noun] be [v-ing] | 1287 |
|
| 4 | a [noun] be [prep] | 1074 |
|
