| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what i had [been] [v-ing] | 18 |
|
| 2 | what i had be [v-ing] | 18 |
|
| 3 | what i had been [v-ing] | 18 |
|
| 4 | what i had [be] [v-ing] | 18 |
|
