| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] on [art] [adj] | 941 |
|
| 2 | is [v-ing] [prep] [art] [adj] | 934 |
|
| 3 | [be] [v-ing] on [art] [adj] | 659 |
|
| 4 | be [v-ing] on [art] [adj] | 658 |
|
| 5 | [is] [v-ing] on [art] [adj] | 123 |
|
