| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [prep] [det] [noun] [prep] | 50 |
|
| 2 | [be] [v-ing] [prep] [det] [noun] on | 26 |
|
| 3 | be [v-ing] [prep] [det] [noun] on | 26 |
|
| 4 | is [verb] [prep] [det] [noun] on | 23 |
|
| 5 | is [v-ing] [prep] [adj] [noun] on | 14 |
|
| 6 | [is] [v-ing] [prep] [det] [noun] on | 6 |
|
| 7 | is [v-ing] [prep] [det] [noun] on | 5 |
|
