| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] had been [v-ing] | 32 |
|
| 2 | this had be [v-ing] | 7 |
|
| 3 | [det] had be going | 6 |
|
| 4 | many had be [v-ing] | 6 |
|
