| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [be] [v-ing] [prep] [num] | 112 |
|
| 2 | [vb -s] [be] [v-ing] on [prep] | 111 |
|
| 3 | [be] [v-ing] on [prep] [num] | 59 |
|
