| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [vb past] [be] [v-ing] [prep] | 428 |
|
| 2 | if he [be] [v-ing] [prep] | 165 |
|
| 3 | if he [vb past] [be] [v-ing] | 77 |
|
| 4 | if he [vb past] [be] [prep] | 27 |
|
