| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun prp] [be] [v-ing] | 749 |
|
| 2 | [noun sg] [be] [v-ing] on | 733 |
|
| 3 | [noun prp] [be] [v-ing] on | 494 |
|
| 4 | [noun sg] [noun prp] [be] on | 52 |
|
