| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had be [verb] for | 85 |
|
| 2 | had be [verb] for [v-ing] | 59 |
|
| 3 | who be [verb] for [v-ing] | 26 |
|
| 4 | who had be [verb] [v-ing] | 13 |
|
