| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [prep] [det] [noun] | 225 |
|
| 2 | [v-ing] [prep] [det] [noun] on | 70 |
|
| 3 | is [v-ing] [prep] [noun] on | 24 |
|
| 4 | is [v-ing] [det] [noun] on | 16 |
|
| 5 | is [prep] [det] [noun] on | 5 |
|
