| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [be] [v-ing] | 30243 |
|
| 2 | i [vb base] [be] | 7996 |
|
| 3 | [vb base] [be] [v-ing] | 7085 |
|
| 4 | i [vb base] [v-ing] | 2237 |
|
