| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [v-ing] [conj] | 211 |
|
| 2 | had be [verb] when | 113 |
|
| 3 | [verb] be [v-ing] when | 38 |
|
| 4 | have be [v-ing] when | 37 |
|
| 5 | had [be] [v-ing] when | 23 |
|
| 6 | [vb past] be [v-ing] when | 23 |
|
