| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [verb] [prep] [be] [v-ing] | 431 |
|
| 2 | [be] see [prep] [be] [v-ing] | 118 |
|
| 3 | [am/are] see [prep] [be] [verb] | 29 |
|
