| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [be] [v-ing] [prep] [be] | 588 |
|
| 2 | [adv] i [be] [v-ing] [prep] | 534 |
|
| 3 | [adv] [be] [v-ing] [prep] [be] | 74 |
|
| 4 | [adv] i [be] [prep] [be] | 8 |
|
