| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if he 'd been [v-ing] [prep] | 5 |
|
| 2 | if he 'd be [v-ing] [prep] | 5 |
|
| 3 | if he 'd [been] [v-ing] [prep] | 5 |
|
| 4 | if he 'd [be] [v-ing] [prep] | 5 |
|
