| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [be] [v-ing] [prep] | 8806 |
|
| 2 | [be] [v-ing] [prep] [vb infin] | 6415 |
|
| 3 | i [v-ing] [prep] [vb infin] | 109 |
|
