| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] i [be] [v-ing] [prep] | 1645 |
|
| 2 | [coord] i [be] [v-ing] [prep] | 625 |
|
| 3 | but [pron] [be] [v-ing] [prep] | 590 |
|
| 4 | but i [be] [verb] [prep] | 240 |
|
| 5 | but i [be] [v-ing] [prep] | 157 |
|
