| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had [be] [v-ing] [prep] | 310 |
|
| 2 | if he [be] [v-ing] [prep] | 165 |
|
| 3 | if he had [be] [v-ing] | 53 |
|
| 4 | if he had [be] [prep] | 18 |
|
