| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [art] | 23754 |
|
| 2 | [be] [v-ing] on [prep] | 1394 |
|
| 3 | [v-ing] on [prep] [art] | 1376 |
|
| 4 | [be] on [prep] [art] | 227 |
|
| 5 | [be] [v-ing] on [art] | 108 |
|
