| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [v-ing] on [adj] | 126 |
|
| 2 | be [v-ing] on this | 113 |
|
| 3 | [be] [v-ing] on this | 113 |
|
| 4 | are [v-ing] [prep] this | 104 |
|
| 5 | are [v-ing] on [det] | 56 |
|
| 6 | are [verb] on this | 45 |
|
| 7 | [am/are] [v-ing] on this | 37 |
|
| 8 | are [v-ing] on this | 17 |
|
