| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he have been [v-ing] at | 39 |
|
| 2 | he had been [v-ing] at | 26 |
|
| 3 | he 'd been [v-ing] at | 8 |
|
| 4 | he have been looking at | 8 |
|
