| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had be [v-ing] [art] | 68 |
|
| 2 | who had been [v-ing] [art] | 68 |
|
| 3 | who had be [v-ing] the | 45 |
|
| 4 | who had be [v-ing] a | 19 |
|
| 5 | who had be watching [art] | 9 |
|
