| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] [prep] [adj] | 305 |
|
| 2 | is [adv] [verb] on [adj] | 179 |
|
| 3 | be [adv] [v-ing] on [adj] | 106 |
|
| 4 | [be] [adv] [v-ing] on [adj] | 106 |
|
| 5 | [is] [adv] [v-ing] on [adj] | 38 |
|
