| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] i [be] [v-ing] | 119 |
|
| 2 | it [be] i [be] | 50 |
|
| 3 | it i [be] [v-ing] | 20 |
|
| 4 | it [be] [be] [v-ing] | 9 |
|
