| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [noun] | 14221 |
|
| 2 | be [v-ing] [prep] [noun] | 14220 |
|
| 3 | are [verb] [prep] [noun] | 13313 |
|
| 4 | [am/are] [v-ing] [prep] [noun] | 3521 |
|
| 5 | are [v-ing] [prep] [noun] | 1862 |
|
