| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [be] [v-ing] to [be] | 220 |
|
| 2 | [conj] it [be] [v-ing] to [be] | 211 |
|
| 3 | if it [be] [verb] to [be] | 55 |
|
| 4 | if it [be] [v-ing] [prep] [be] | 38 |
|
